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://827909.mit-edu.top/post/6253749081

  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>Designing Stable Economic Systems in Massively Multiplayer Mobile Games #416398458785 (2025-02-06)</title>
  9.    <link rel="canonical" href="https://827909.mit-edu.top/post/6253749081">
  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="Designing Stable Economic Systems in Massively Multiplayer Mobile Games" />
  17.    <meta property="og:description" content="Designing Stable Economic Systems in Massively Multiplayer Mobile Games #416398458785 (2025-02-06)" />
  18.    <meta property="og:url" content="https://827909.mit-edu.top/post/6253749081" />
  19.    <meta property="og:site_name" content="mit-edu.top" />
  20.    <meta property="og:image" content="https://x.mit-edu.top/static/images/post/1.jpg" />
  21.    <meta property="og:article:published_time" content="2025-02-05T22:52:10Z" />
  22.    <meta property="og:article:author" content="Dr. Ann Gonzales" />
  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": "Designing Stable Economic Systems in Massively Multiplayer Mobile Games #416398458785 (2025-02-06)",
  30.            "author": {
  31.                "@type": "Person",
  32.                "name": "Dr. Ann Gonzales",
  33.                "affiliation": {
  34.                    "@type": "Organization",
  35.                    "name": "mit-edu.top"
  36.                },
  37.                "url": "https://827909.mit-edu.top/post/6253749081"
  38.            },
  39.            "datePublished": "2025-02-05T22:52:10Z",
  40.            "image": "https://x.mit-edu.top/static/images/post/1.jpg",
  41.            "journal": {
  42.                "@type": "Periodical",
  43.                "name": "mit-edu.top",
  44.                "issn": "10.1069/416398458785"
  45.            },
  46.            "publisher": {
  47.                "@type": "Organization",
  48.                "name": "mit-edu.top",
  49.                "url": "https://827909.mit-edu.top"
  50.            },
  51.            "doi": "416398458785",
  52.            "abstract": "Designing Stable Economic Systems in Massively Multiplayer Mobile Games #416398458785 (2025-02-06)",
  53.            "citation": {
  54.                "@type": "CreativeWork",
  55.                "name": "Designing Stable Economic Systems in Massively Multiplayer Mobile Games",
  56.                "author": "Dr. Ann Gonzales",
  57.                "datePublished": "2025-02-05T22:52:10Z",
  58.                "url": "https://827909.mit-edu.top/post/6253749081"
  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://827909.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/7.jpg" alt="Designing Stable Economic Systems in Massively Multiplayer Mobile Games" title="Designing Stable Economic Systems in Massively Multiplayer Mobile Games" class="author-pic img-fluid rounded-circle mx-auto">
  92.                    </div>
  93.                    <span class="d-block text-center">Ann Gonzales</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">Designing Stable Economic Systems in Massively Multiplayer Mobile Games</h2>
  96.                    <p class="lead mb-4 text-center">Thanks to Ann Gonzales for contributing the article "Designing Stable Economic Systems in Massively Multiplayer Mobile Games".
  97.                    </p>
  98.                    <img src="https://x.mit-edu.top/static/images/post/1.jpg" alt="Designing Stable Economic Systems in Massively Multiplayer Mobile Games" title="Designing Stable Economic Systems in Massively Multiplayer Mobile Games" class="img-fluid rounded mb-4 lazyload">
  99.                    <p>Gaming culture has evolved into a vibrant and interconnected community where players from diverse backgrounds and cultures converge. They share strategies, forge lasting alliances, and engage in friendly competition, turning virtual friendships into real-world connections that span continents. This global network of gamers not only celebrates shared interests and passions but also fosters a sense of unity and belonging in a world that can often feel fragmented. From online forums and social media groups to live gaming events and conventions, the camaraderie and mutual respect among gamers continue to strengthen the bonds that unite this dynamic community.</p>
  100. <p>This study investigates the potential of blockchain technology to decentralize mobile gaming, offering new opportunities for player empowerment and developer autonomy. By leveraging smart contracts, decentralized finance (DeFi), and non-fungible tokens (NFTs), blockchain could allow players to truly own in-game assets, trade them across platforms, and participate in decentralized governance of games. The paper examines the technological challenges, economic opportunities, and legal implications of blockchain integration in mobile gaming ecosystems. It also considers the ethical concerns regarding virtual asset ownership and the potential for blockchain to disrupt existing monetization models.</p>
  101. <p>This research examines the role of geolocation-based augmented reality (AR) games in transforming how urban spaces are perceived and interacted with by players. The study investigates how AR mobile games such as Pokémon Go integrate physical locations into gameplay, creating a hybrid digital-physical experience. The paper explores the implications of geolocation-based games for urban planning, public space use, and social interaction, considering both the positive and negative effects of blending virtual experiences with real-world environments. It also addresses ethical concerns regarding data privacy, surveillance, and the potential for gamifying everyday spaces in ways that affect public life.</p>
  102. <p>This research explores the use of adaptive learning algorithms and machine learning techniques in mobile games to personalize player experiences. The study examines how machine learning models can analyze player behavior and dynamically adjust game content, difficulty levels, and in-game rewards to optimize player engagement. By integrating concepts from reinforcement learning and predictive modeling, the paper investigates the potential of personalized game experiences in increasing player retention and satisfaction. The research also considers the ethical implications of data collection and algorithmic bias, emphasizing the importance of transparent data practices and fair personalization mechanisms in ensuring a positive player experience.</p>
  103. <p>This systematic review examines existing literature on the effects of mobile gaming on mental health, identifying both beneficial and detrimental outcomes. It provides evidence-based recommendations for stakeholders in the gaming industry and healthcare sectors.</p>
  104.  
  105.                    <p>
  106.                    <a href="/redirect/?url=https://827909.mit-edu.top/post/6253749081" 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://105312228362-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  114. <a href="https://800638405708-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  115. <a href="https://856387808330-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  116. <a href="https://662598789842-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  117. <a href="https://692163959687-gov.iliiili.com/" target="_blank" class="custom-link">External link</a>
  118. <a href="https://467291257507-gov.digwow.net/" target="_blank" class="custom-link">External link</a>
  119. <a href="https://486361620946-gov.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  120. <a href="https://241209946775-gov.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  121. <a href="https://991652490037-gov-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  122. <a href="https://199194828048-gov-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  123. <a href="https://043620110386-gov-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  124. <a href="https://525639359378-gov-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  125. <a href="https://750664568821-edu.iliiili.com/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  126. <a href="https://842970533106-edu.digwow.net/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  127. <a href="https://142079854910-edu.free-giftcodes.com/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  128. <a href="https://467359443631-edu.gifthub.com.ru/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  129. <a href="https://794115829026-gov.iliiili.com/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  130. <a href="https://912414451186-gov.digwow.net/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  131. <a href="https://131405574095-gov.free-giftcodes.com/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  132. <a href="https://577470161402-gov.gifthub.com.ru/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  133. <a href="https://link.naver.com/bridge?858976680730&amp;url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  134. <a href="https://link.naver.com/bridge?298797354001&amp;url=https://naver298797354001-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  135. <a href="https://link.naver.com/bridge?017268443241&amp;url=https://naver017268443241-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  136. <a href="https://link.naver.com/bridge?919993022891&amp;url=https://naver919993022891-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  137. <a href="https://link.naver.com/bridge?526936148864&amp;url=https://naver526936148864-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  138. <a href="https://link.naver.com/bridge?719043135134&amp;url=https://naver719043135134-gov.digwow.net" target="_blank" class="custom-link">External link</a>
  139. <a href="https://link.naver.com/bridge?436626879572&amp;url=https://naver436626879572-gov.iliiili.com" target="_blank" class="custom-link">External link</a>
  140. <a href="https://link.naver.com/bridge?186073544458&amp;url=https://naver186073544458-gov.1717173.xyz" target="_blank" class="custom-link">External link</a>
  141. <a href="https://link.naver.com/bridge?872386830402&amp;url=https://naver872386830402-gov.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  142. <a href="https://link.naver.com/bridge?189037255962&amp;url=https://naver189037255962-gov-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  143. <a href="https://link.naver.com/bridge?217752530878&amp;url=https://naver217752530878-gov-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  144. <a href="https://link.naver.com/bridge?452402611614&amp;url=https://naver452402611614-gov-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  145. <a href="https://link.naver.com/bridge?340846167833&amp;url=https://naver340846167833-gov-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  146. <a href="https://blog-197174020360.gifthub.news/" target="_blank" class="custom-link">External link</a>
  147. <a href="https://blog-531693127212.jp-edu.sbs/" target="_blank" class="custom-link">External link</a>
  148. <a href="https://blog-838512932650.kr-edu.sbs/" target="_blank" class="custom-link">External link</a>
  149. <a href="https://blog-152189142312.krlinkedin.sbs/" target="_blank" class="custom-link">External link</a>
  150. <a href="https://blog-734556739591.mit-edu.sbs/" target="_blank" class="custom-link">External link</a>
  151. <a href="https://blog-884159165374.mit-edu.buzz/" target="_blank" class="custom-link">External link</a>
  152. <a href="https://blog-399530704259.mit-edu.tech/" target="_blank" class="custom-link">External link</a>
  153. <a href="https://blog-823882971487.mit-edu.site/" target="_blank" class="custom-link">External link</a>
  154. <a href="https://blog-493031460324.mit-edu.top/" target="_blank" class="custom-link">External link</a>
  155. <a href="https://blog-404820713002.usa-gov.top/" target="_blank" class="custom-link">External link</a>
  156. <a href="https://research-399548288682.mit-edu.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  157. <a href="https://research-739861212795.harvard-edu.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  158. <a href="https://research-767177317371.stanford-edu.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  159. <a href="https://research-290059332219.cambridge-edu.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  160. <a href="https://research-430619296904.berkeley-edu.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  161. <a href="https://research-646483603719.oxford-edu.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  162. <a href="https://research-642973827989-edu.wwv.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  163. <a href="https://research-818509073622-edu.sean.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" target="_blank" class="custom-link">External link</a>
  164. <a href="https://research-982354229417-edu.line.pp.ua/?url=https://827909.mit-edu.top/post/6253749081" 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://827909.mit-edu.top/post/8140392675">
  184.                            <img src="https://x.mit-edu.top/static/images/post/1.jpg" alt="Evaluating Player Cognitive Load in High-Interaction AR Mobile Games" title="Evaluating Player Cognitive Load in High-Interaction AR Mobile Games" class="img-fluid lazyload">
  185.                            </a>
  186.                        </div>
  187.                        <div class="content">
  188.                            <div class="post-meta mb-3">
  189.                                <a href="https://blog-8140392675.mit-edu.top/post/8140392675/" target="_blank">
  190.                                <span class="date">2025-02-06</span>
  191.                                </a>
  192.                            </div>
  193.                            <h2 class="heading"><a href="https://827909.mit-edu.top/post/8140392675">Evaluating Player Cognitive Load in High-Interaction AR Mobile Games</a></h2>
  194.                            <p class="info">This research investigates the role of the psychological concept of "flow" in mobile gaming, focusing on the cognitive mechanisms that lead to optimal player experiences. Drawing upon cognitive science and game theory, the study explores how mobile games are designed to facilitate flow states through dynamic challenge-skill balancing, immediate feedback, and immersive environments. The paper also considers the implications of sustained flow experiences on player well-being, skill development, and the potential for using mobile games as tools for cognitive enhancement and education.</p>
  195.                            <a href="https://827909.mit-edu.top/post/8140392675" class="post-author d-flex align-items-center">
  196.                                <div class="author-pic">
  197.                                    <img src="https://x.mit-edu.top/static/images/user/7.jpg" alt="Evaluating Player Cognitive Load in High-Interaction AR Mobile Games" title="Evaluating Player Cognitive Load in High-Interaction AR Mobile Games" class="lazyload">
  198.                                </div>
  199.                                <div class="text">
  200.                                    <strong>Benjamin Powell</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://827909.mit-edu.top/post/7031826594">
  211.                            <img src="https://x.mit-edu.top/static/images/post/4.jpg" alt="The Psychology of Progression Systems in Role-Playing Mobile Games" title="The Psychology of Progression Systems in Role-Playing Mobile Games" class="img-fluid lazyload">
  212.                            </a>
  213.                        </div>
  214.                        <div class="content">
  215.                            <div class="post-meta mb-3">
  216.                                <a href="https://blog-7031826594.mit-edu.top/post/7031826594/" target="_blank">
  217.                                <span class="date">2025-02-06</span>
  218.                                </a>
  219.                            </div>
  220.                            <h2 class="heading"><a href="https://827909.mit-edu.top/post/7031826594">The Psychology of Progression Systems in Role-Playing Mobile Games</a></h2>
  221.                            <p class="info">Indie game developers play a vital role in shaping the diverse landscape of gaming, bringing fresh perspectives, innovative gameplay mechanics, and compelling narratives to the forefront. Their creative freedom and entrepreneurial spirit fuel a culture of experimentation and discovery, driving the industry forward with bold ideas and unique gaming experiences that captivate players' imaginations.</p>
  222.                            <a href="https://827909.mit-edu.top/post/7031826594" 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="The Psychology of Progression Systems in Role-Playing Mobile Games" title="The Psychology of Progression Systems in Role-Playing Mobile Games" class="lazyload">
  225.                                </div>
  226.                                <div class="text">
  227.                                    <strong>Nancy Lewis</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://827909.mit-edu.top/post/2310564987">
  238.                            <img src="https://x.mit-edu.top/static/images/post/9.jpg" alt="Energy-Efficient Algorithms for Game Servers in Smart City Environments" title="Energy-Efficient Algorithms for Game Servers in Smart City Environments" class="img-fluid lazyload">
  239.                            </a>
  240.                        </div>
  241.                        <div class="content">
  242.                            <div class="post-meta mb-3">
  243.                                <a href="https://blog-2310564987.mit-edu.top/post/2310564987/" target="_blank">
  244.                                <span class="date">2025-02-06</span>
  245.                                </a>
  246.                            </div>
  247.                            <h2 class="heading"><a href="https://827909.mit-edu.top/post/2310564987">Energy-Efficient Algorithms for Game Servers in Smart City Environments</a></h2>
  248.                            <p class="info">This research explores the convergence of virtual reality (VR) and mobile games, investigating how VR technology is being integrated into mobile gaming experiences to create more immersive and interactive entertainment. The study examines the technical challenges and innovations involved in adapting VR for mobile platforms, including issues of motion tracking, hardware limitations, and player comfort. Drawing on theories of immersion, presence, and user experience, the paper investigates how mobile VR games enhance player engagement by providing a heightened sense of spatial awareness and interactive storytelling. The research also discusses the potential for VR to transform mobile gaming, offering predictions for the future of immersive entertainment in the mobile gaming sector.</p>
  249.                            <a href="https://827909.mit-edu.top/post/2310564987" class="post-author d-flex align-items-center">
  250.                                <div class="author-pic">
  251.                                    <img src="https://x.mit-edu.top/static/images/user/10.jpg" alt="Energy-Efficient Algorithms for Game Servers in Smart City Environments" title="Energy-Efficient Algorithms for Game Servers in Smart City Environments" class="lazyload">
  252.                                </div>
  253.                                <div class="text">
  254.                                    <strong>Amy Ward</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