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The Chrome Web Store is Google's online store for web applications for Google Chrome or Google Apps. It was announced at the Google I/O conference on May 19, 2010 by Vic Gundotra and released on December 6, 2010. The software allows users to install and run web applications for the Google Chrome browser. The Chrome Web Store user experience and design was created by Fi.〔(【引用サイトリンク】title=The Chrome Web Store Case Study )〕 Applications, browser themes and extensions in the store are written in HTML, CSS, JavaScript and Google Apps Script and, from Chrome 14, can use Google Native Client.〔(【引用サイトリンク】title=Publishing to the Chrome Web Store )〕 The store hosts free and paid applications. An example of applications available in the store includes the game ''Plants vs. Zombies''. The Store has been described as being like Google Play, but for "apps on the web". A visual and UI overhaul of the store was announced on October 25, 2011.〔(【引用サイトリンク】url=http://chrome.blogspot.com/2011/10/making-chrome-even-more-app-ealing.html/ )〕 ==Criticism== Some commentators have questioned the need for an online app store. Ryan Paul of Ars Technica said on December 9, 2010: "The way that users consume applications in the desktop and mobile world is fundamentally different than the way that they do it on the Web—where paywalls are often reviled and there is little distinction between content and software. In such an environment, does the application store model make any sense? We are not convinced...Aside from gaming, the idea of an application store in a Web browser—where installation is little more than bookmarking—seems counterintuitive and leaves us with the impression that the entire exercise is a solution in search of a problem." In January 2014, media outlets exposed a recent trend of developers selling the rights to their Chrome extensions to unknown third-party companies (for as much as "four-figure" amounts), who then silently push updates that incorporate previously non-existent adware into the extensions.〔(【引用サイトリンク】url=http://arstechnica.com/security/2014/01/malware-vendors-buy-chrome-extensions-to-send-adware-filled-updates/ )〕 The two extensions singled out by these reports, ''Tweet This Page'' and ''Add to Feedly'', were pulled from Chrome Web Store by Google on January 19, 2014.〔(【引用サイトリンク】url=http://blogs.wsj.com/digits/2014/01/19/google-removes-two-chrome-extensions-amid-ad-uproar/ )〕 Five percent of computer browser visits to Google owned websites are altered by computer programs that inject their own ads into pages.〔http://www.pcworld.com/article/2920012/superfish-injects-ads-in-one-in-25-google-page-views.html〕〔http://www.cio.com.au/article/574450/superfish-injects-ads-one-25-google-page-views/〕 Researchers have identified 50,870 Google Chrome extensions and 34,407 programs that injected ads. Thirty-eight percent of extensions and 17 percent of programs were catalogued as malware, the rest being potentially unwanted adware-type applications. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chrome Web Store」の詳細全文を読む スポンサード リンク
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