It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://258876.mit-edu.top/post/9258431670

  1. <!doctype html>
  2. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" prefix="og: http://ogp.me/ns#">
  3.  
  4.  <head>
  5.    <meta charset="utf-8">
  6.    <meta name="applicable-device" content="pc,mobile">
  7.    <meta name="viewport" content="width=device-width, initial-scale=1">
  8.    <title>Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics #127327987164 (2025-02-06)</title>
  9.    <link rel="canonical" href="https://258876.mit-edu.top/post/9258431670">
  10.    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap">
  11.    <link rel="stylesheet" href="https://x.mit-edu.top/static/css/style.css">
  12.    <script src="https://x.mit-edu.top/static/js/lazysizes.min.js" async></script>
  13.    <link rel="shortcut icon" href="/favicon.ico">
  14.    <!-- Open Graph Metadata -->
  15.    <meta property="og:type" content="article" />
  16.    <meta property="og:title" content="Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics" />
  17.    <meta property="og:description" content="Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics #127327987164 (2025-02-06)" />
  18.    <meta property="og:url" content="https://258876.mit-edu.top/post/9258431670" />
  19.    <meta property="og:site_name" content="mit-edu.top" />
  20.    <meta property="og:image" content="https://x.mit-edu.top/static/images/post/19.jpg" />
  21.    <meta property="og:article:published_time" content="2025-02-06T00:43:21Z" />
  22.    <meta property="og:article:author" content="Dr. Robert Jones" />
  23.    <meta property="og:article:section" content="mit-edu.top" />
  24.    <meta property="og:article:tag" content="Games, Mobile Games, Video Games" />
  25.    <!-- Schema.org -->
  26.    <script type="application/ld+json">{
  27.            "@context": "https://schema.org",
  28.            "@type": "ScholarlyArticle",
  29.            "headline": "Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics #127327987164 (2025-02-06)",
  30.            "author": {
  31.                "@type": "Person",
  32.                "name": "Dr. Robert Jones",
  33.                "affiliation": {
  34.                    "@type": "Organization",
  35.                    "name": "mit-edu.top"
  36.                },
  37.                "url": "https://258876.mit-edu.top/post/9258431670"
  38.            },
  39.            "datePublished": "2025-02-06T00:43:21Z",
  40.            "image": "https://x.mit-edu.top/static/images/post/19.jpg",
  41.            "journal": {
  42.                "@type": "Periodical",
  43.                "name": "mit-edu.top",
  44.                "issn": "10.1069/127327987164"
  45.            },
  46.            "publisher": {
  47.                "@type": "Organization",
  48.                "name": "mit-edu.top",
  49.                "url": "https://258876.mit-edu.top"
  50.            },
  51.            "doi": "127327987164",
  52.            "abstract": "Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics #127327987164 (2025-02-06)",
  53.            "citation": {
  54.                "@type": "CreativeWork",
  55.                "name": "Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics",
  56.                "author": "Dr. Robert Jones",
  57.                "datePublished": "2025-02-06T00:43:21Z",
  58.                "url": "https://258876.mit-edu.top/post/9258431670"
  59.            }
  60.        }
  61.    </script>
  62. </head>
  63.  
  64. <body>
  65.    <div class="site-mobile-menu site-navbar-target">
  66.        <div class="site-mobile-menu-header">
  67.            <div class="site-mobile-menu-close">
  68.                <span class="icofont-close js-menu-toggle"></span>
  69.            </div>
  70.        </div>
  71.        <div class="site-mobile-menu-body"></div>
  72.    </div>
  73.    <nav class="site-nav">
  74.        <div class="container">
  75.            <div class="site-navigation">
  76.                <div class="row">
  77.                    <div class="col-md-6 text-center order-1 order-md-2 mb-3 mb-md-0">
  78.                        <a href="https://258876.mit-edu.top" class="logo m-0 text-uppercase">mit-edu.top</a>
  79.                    </div>
  80.                    <div class="col-md-3 order-3 order-md-1">
  81.                    </div>
  82.                </div>
  83.            </div>
  84.        </div>
  85.    </nav>
  86.    <div class="section post-section pt-5">
  87.        <div class="container">
  88.            <div class="row justify-content-center">
  89.                <div class="col-lg-8">
  90.                    <div class="text-center">
  91.                        <img src="https://x.mit-edu.top/static/images/user/3.jpg" alt="Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics" title="Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics" class="author-pic img-fluid rounded-circle mx-auto">
  92.                    </div>
  93.                    <span class="d-block text-center">Robert Jones</span>
  94.                    <span class="date d-block text-center small text-uppercase text-black-50 mb-5">2025-02-06</span>
  95.                    <h2 class="heading text-center">Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics</h2>
  96.                    <p class="lead mb-4 text-center">Thanks to Robert Jones for contributing the article "Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics".
  97.                    </p>
  98.                    <img src="https://x.mit-edu.top/static/images/post/19.jpg" alt="Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics" title="Exploring the Role of Eye-Tracking in Enhancing AR Game Mechanics" class="img-fluid rounded mb-4 lazyload">
  99.                    <p>The evolution of gaming has been a captivating journey through time, spanning from the rudimentary pixelated graphics of early arcade games to the breathtakingly immersive virtual worlds of today's cutting-edge MMORPGs. Over the decades, we've witnessed a remarkable transformation in gaming technology, with advancements in graphics, sound, storytelling, and gameplay mechanics continuously pushing the boundaries of what's possible in interactive entertainment.</p>
  100. <p>This research explores the potential of augmented reality (AR)-powered mobile games for enhancing educational experiences. The study examines how AR technology can be integrated into mobile games to provide immersive learning environments where players interact with both virtual and physical elements in real-time. Drawing on educational theories and gamification principles, the paper explores how AR mobile games can be used to teach complex concepts, such as science, history, and mathematics, through interactive simulations and hands-on learning. The research also evaluates the effectiveness of AR mobile games in fostering engagement, retention, and critical thinking in educational contexts, offering recommendations for future development.</p>
  101. <p>This paper offers a post-structuralist analysis of narrative structures in mobile games, emphasizing how game narratives contribute to the construction of player identity and agency. It explores the intersection of game mechanics, storytelling, and player interaction, considering how mobile games as “digital texts” challenge traditional notions of authorship and narrative control. Drawing upon the works of theorists like Michel Foucault and Roland Barthes, the paper examines the decentralized nature of mobile game narratives and how they allow players to engage in a performative process of meaning-making, identity construction, and subversion of preordained narrative trajectories.</p>
  102. <p>This paper investigates the impact of user-centric design principles in mobile games, focusing on how personalization and customization options influence player satisfaction and engagement. The research analyzes how mobile games employ features such as personalized avatars, dynamic content, and adaptive difficulty settings to cater to individual player preferences. By applying frameworks from human-computer interaction (HCI), motivation theory, and user experience (UX) design, the study explores how these design elements contribute to increased player retention, emotional attachment, and long-term engagement. The paper also considers the challenges of balancing personalization with accessibility, ensuring that customization does not exclude or frustrate diverse player groups.</p>
  103. <p>This study explores the role of player customization in mobile games, focusing on how avatar and character customization can influence player identity, self-expression, and engagement. The research examines how customizing characters, outfits, and other in-game features enables players to create personalized experiences that reflect their preferences and identities. Drawing on social identity theory and self-concept research, the paper investigates how customization fosters emotional attachment to the game, as well as its impact on player behavior, such as social interaction and competition. The study also explores the commercial implications of offering customizable in-game items, including microtransactions and virtual economies.</p>
  104.  
  105.                    <p>
  106.                    <a href="/redirect/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">Link</a>
  107.                    </p>
  108.                    <p><a href="https://www.linegames.org/" target="_blank" class="custom-link">External link</a>
  109. <a href="https://www.iliiili.com/" target="_blank" class="custom-link">External link</a>
  110. <a href="https://www.digwow.net/" target="_blank" class="custom-link">External link</a>
  111. <a href="https://www.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  112. <a href="https://www.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  113. <a href="https://864826705272-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  114. <a href="https://270126898507-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  115. <a href="https://698140137519-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  116. <a href="https://190617935057-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  117. <a href="https://637587257162-gov.iliiili.com/" target="_blank" class="custom-link">External link</a>
  118. <a href="https://175826835806-gov.digwow.net/" target="_blank" class="custom-link">External link</a>
  119. <a href="https://600106969618-gov.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  120. <a href="https://433149367959-gov.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  121. <a href="https://533124884904-gov-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  122. <a href="https://501562316731-gov-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  123. <a href="https://677462316738-gov-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  124. <a href="https://127628178235-gov-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  125. <a href="https://566149216953-edu.iliiili.com/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  126. <a href="https://284868771543-edu.digwow.net/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  127. <a href="https://451274821445-edu.free-giftcodes.com/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  128. <a href="https://466161490986-edu.gifthub.com.ru/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  129. <a href="https://864918353481-gov.iliiili.com/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  130. <a href="https://864918565182-gov.digwow.net/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  131. <a href="https://222220916308-gov.free-giftcodes.com/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  132. <a href="https://134582768160-gov.gifthub.com.ru/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  133. <a href="https://link.naver.com/bridge?016624957180&amp;url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  134. <a href="https://link.naver.com/bridge?271812635083&amp;url=https://naver271812635083-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  135. <a href="https://link.naver.com/bridge?360277288951&amp;url=https://naver360277288951-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  136. <a href="https://link.naver.com/bridge?447166284365&amp;url=https://naver447166284365-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  137. <a href="https://link.naver.com/bridge?538147573501&amp;url=https://naver538147573501-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  138. <a href="https://link.naver.com/bridge?320225360186&amp;url=https://naver320225360186-gov.digwow.net" target="_blank" class="custom-link">External link</a>
  139. <a href="https://link.naver.com/bridge?705141795510&amp;url=https://naver705141795510-gov.iliiili.com" target="_blank" class="custom-link">External link</a>
  140. <a href="https://link.naver.com/bridge?368728951073&amp;url=https://naver368728951073-gov.1717173.xyz" target="_blank" class="custom-link">External link</a>
  141. <a href="https://link.naver.com/bridge?510639300824&amp;url=https://naver510639300824-gov.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  142. <a href="https://link.naver.com/bridge?094545682465&amp;url=https://naver094545682465-gov-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  143. <a href="https://link.naver.com/bridge?351459810983&amp;url=https://naver351459810983-gov-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  144. <a href="https://link.naver.com/bridge?814996305860&amp;url=https://naver814996305860-gov-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  145. <a href="https://link.naver.com/bridge?429775201346&amp;url=https://naver429775201346-gov-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  146. <a href="https://blog-338326718207.gifthub.news/" target="_blank" class="custom-link">External link</a>
  147. <a href="https://blog-947433576543.jp-edu.sbs/" target="_blank" class="custom-link">External link</a>
  148. <a href="https://blog-073118841674.kr-edu.sbs/" target="_blank" class="custom-link">External link</a>
  149. <a href="https://blog-356187971724.krlinkedin.sbs/" target="_blank" class="custom-link">External link</a>
  150. <a href="https://blog-182737034455.mit-edu.sbs/" target="_blank" class="custom-link">External link</a>
  151. <a href="https://blog-239407943551.mit-edu.buzz/" target="_blank" class="custom-link">External link</a>
  152. <a href="https://blog-259421939212.mit-edu.tech/" target="_blank" class="custom-link">External link</a>
  153. <a href="https://blog-916351885826.mit-edu.site/" target="_blank" class="custom-link">External link</a>
  154. <a href="https://blog-510866091943.mit-edu.top/" target="_blank" class="custom-link">External link</a>
  155. <a href="https://blog-037058350985.usa-gov.top/" target="_blank" class="custom-link">External link</a>
  156. <a href="https://research-174756318404.mit-edu.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  157. <a href="https://research-004198502218.harvard-edu.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  158. <a href="https://research-143141769134.stanford-edu.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  159. <a href="https://research-876616126546.cambridge-edu.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  160. <a href="https://research-497728533857.berkeley-edu.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  161. <a href="https://research-023947425096.oxford-edu.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  162. <a href="https://research-709363012885-edu.wwv.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  163. <a href="https://research-639924727012-edu.sean.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  164. <a href="https://research-864364034971-edu.line.pp.ua/?url=https://258876.mit-edu.top/post/9258431670" target="_blank" class="custom-link">External link</a>
  165. </p>
  166.                    <div class="row mt-5 pt-5 border-top">
  167.                    </div>
  168.                </div>
  169.            </div>
  170.        </div>
  171.    </div>
  172.    <div class="section pb-0">
  173.        <div class="container">
  174.            <div class="row">
  175.                <div class="col-lg-12">
  176.                    <h2 class="heading">Related</h2>
  177.                </div>
  178.            </div>
  179.            <div class="row justify-content-center">
  180.                <div class="col-lg-12">
  181.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  182.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  183.                            <a href="https://258876.mit-edu.top/post/5362897401">
  184.                            <img src="https://x.mit-edu.top/static/images/post/19.jpg" alt="Predicting Player Turnover in Mobile Multiplayer Games Using Survival Models" title="Predicting Player Turnover in Mobile Multiplayer Games Using Survival Models" class="img-fluid lazyload">
  185.                            </a>
  186.                        </div>
  187.                        <div class="content">
  188.                            <div class="post-meta mb-3">
  189.                                <a href="https://blog-5362897401.mit-edu.top/post/5362897401/" target="_blank">
  190.                                <span class="date">2025-02-06</span>
  191.                                </a>
  192.                            </div>
  193.                            <h2 class="heading"><a href="https://258876.mit-edu.top/post/5362897401">Predicting Player Turnover in Mobile Multiplayer Games Using Survival Models</a></h2>
  194.                            <p class="info">This paper explores how mobile games can be used to raise awareness about environmental issues and promote sustainable behaviors. Drawing on environmental psychology and game-based learning, the study investigates how game mechanics such as resource management, ecological simulations, and narrative-driven environmental challenges can educate players about sustainability. The research examines case studies of games that integrate environmental themes, analyzing their impact on players' attitudes toward climate change, waste reduction, and conservation efforts. The paper proposes a framework for designing mobile games that not only entertain but also foster environmental stewardship and collective action.</p>
  195.                            <a href="https://258876.mit-edu.top/post/5362897401" class="post-author d-flex align-items-center">
  196.                                <div class="author-pic">
  197.                                    <img src="https://x.mit-edu.top/static/images/user/3.jpg" alt="Predicting Player Turnover in Mobile Multiplayer Games Using Survival Models" title="Predicting Player Turnover in Mobile Multiplayer Games Using Survival Models" class="lazyload">
  198.                                </div>
  199.                                <div class="text">
  200.                                    <strong>Nancy Lewis</strong>
  201.                                    <span>2025-02-06 published post</span>
  202.                                </div>
  203.                            </a>
  204.                        </div>
  205.                    </div>
  206.                </div>
  207.                <div class="col-lg-12">
  208.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  209.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  210.                            <a href="https://258876.mit-edu.top/post/0861724359">
  211.                            <img src="https://x.mit-edu.top/static/images/post/4.jpg" alt="A Smart Contract Protocol for Player-Owned Game Assets" title="A Smart Contract Protocol for Player-Owned Game Assets" class="img-fluid lazyload">
  212.                            </a>
  213.                        </div>
  214.                        <div class="content">
  215.                            <div class="post-meta mb-3">
  216.                                <a href="https://blog-0861724359.mit-edu.top/post/0861724359/" target="_blank">
  217.                                <span class="date">2025-02-06</span>
  218.                                </a>
  219.                            </div>
  220.                            <h2 class="heading"><a href="https://258876.mit-edu.top/post/0861724359">A Smart Contract Protocol for Player-Owned Game Assets</a></h2>
  221.                            <p class="info">This paper examines the rise of cross-platform mobile gaming, where players can access the same game on multiple devices, such as smartphones, tablets, and PCs. It analyzes the technologies that enable seamless cross-platform play, including cloud synchronization and platform-agnostic development tools. The research also evaluates how cross-platform compatibility enhances user experience, providing greater flexibility and reducing barriers to entry for players.</p>
  222.                            <a href="https://258876.mit-edu.top/post/0861724359" class="post-author d-flex align-items-center">
  223.                                <div class="author-pic">
  224.                                    <img src="https://x.mit-edu.top/static/images/user/16.jpg" alt="A Smart Contract Protocol for Player-Owned Game Assets" title="A Smart Contract Protocol for Player-Owned Game Assets" class="lazyload">
  225.                                </div>
  226.                                <div class="text">
  227.                                    <strong>Shirley Ramirez</strong>
  228.                                    <span>2025-02-06 published post</span>
  229.                                </div>
  230.                            </a>
  231.                        </div>
  232.                    </div>
  233.                </div>
  234.                <div class="col-lg-12">
  235.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  236.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  237.                            <a href="https://258876.mit-edu.top/post/8574910632">
  238.                            <img src="https://x.mit-edu.top/static/images/post/20.jpg" alt="NFT-Based Content Ownership and Its Implications for Game Design" title="NFT-Based Content Ownership and Its Implications for Game Design" class="img-fluid lazyload">
  239.                            </a>
  240.                        </div>
  241.                        <div class="content">
  242.                            <div class="post-meta mb-3">
  243.                                <a href="https://blog-8574910632.mit-edu.top/post/8574910632/" target="_blank">
  244.                                <span class="date">2025-02-06</span>
  245.                                </a>
  246.                            </div>
  247.                            <h2 class="heading"><a href="https://258876.mit-edu.top/post/8574910632">NFT-Based Content Ownership and Its Implications for Game Design</a></h2>
  248.                            <p class="info">This research explores how mobile gaming influences cultural identity and expression across different regions. It examines the role of mobile games in cultural exchange, preservation, and the representation of diverse cultures. This research investigates how mobile gaming affects sleep quality and duration, considering factors such as screen time, game content, and player demographics. It provides insights into the health implications of mobile gaming habits.</p>
  249.                            <a href="https://258876.mit-edu.top/post/8574910632" class="post-author d-flex align-items-center">
  250.                                <div class="author-pic">
  251.                                    <img src="https://x.mit-edu.top/static/images/user/18.jpg" alt="NFT-Based Content Ownership and Its Implications for Game Design" title="NFT-Based Content Ownership and Its Implications for Game Design" class="lazyload">
  252.                                </div>
  253.                                <div class="text">
  254.                                    <strong>Kimberly Gonzalez</strong>
  255.                                    <span>2025-02-06 published post</span>
  256.                                </div>
  257.                            </a>
  258.                        </div>
  259.                    </div>
  260.                </div>
  261.            </div>
  262.        </div>
  263.    </div>
  264.    <div class="py-5 bg-light mx-md-3 sec-subscribe">
  265.        <div class="container">
  266.            <div class="row">
  267.                <div class="col-lg-12">
  268.                    <h2 class="h4 fw-bold">Subscribe to newsletter</h2>
  269.                </div>
  270.            </div>
  271.            <form class="row">
  272.                <div class="col-md-8">
  273.                    <div class="mb-3 mb-md-0">
  274.                        <input type="email" class="form-control" placeholder="Enter your email">
  275.                    </div>
  276.                </div>
  277.                <div class="col-md-4 d-grid">
  278.                    <input type="submit" class="btn btn-primary" value="Subscribe">
  279.                </div>
  280.            </form>
  281.        </div>
  282.    </div>
  283.    <div class="site-footer">
  284.        <div class="container">
  285.            <div class="row justify-content-center copyright">
  286.                <div class="col-lg-7 text-center">
  287.                    <div class="widget">
  288.                        <p>Copyright &copy;
  289.                            <script>document.write(new Date().getFullYear());</script> All rights reserved.
  290.                        </p>
  291. <p>
  292.    < Top VPS Hosting Choice ><br>
  293.    <a href="https://evolution-host.com?ref=DQgZ6P" target="_blank">
  294.        <img src="https://x.mit-edu.top/static/images/evolution-host.png" alt="Evolution Host" title="Evolution Host" class="evhost lazyload">
  295.    </a>
  296. </p>
  297.                    </div>
  298.                </div>
  299.            </div>
  300.        </div>
  301.    </div>
  302. </body>
  303.  
  304. </html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda