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1, 2, 3: the constantly evolving Web

To understand the "Real Time Web", we must know the evolution of the Web as each new "version" of the Web is in part born of the shortcomings of the previous version (techniques, use ...). It also comes complete, not replace it.

• Web 0.0 read paragraph in Article 1
• Web 1.0 read paragraph in section 1

Web 2.0

Web 2.0 or collaborative Web / participatory symbolizes the interactive Web where the user is no longer just a consumer but a producer of information.

– compare des sites/services Web anciens (ce qu'il appelle le Web 1.0) et les nouveaux sites/services Web (ce qu'il appelle le Web 2.0). The genesis of the term "Web 2.0" was in 2003 lorque Dale Dougherty - co-founder of the publishing company O'Reilly Media - compare sites / web services old (what he calls Web 1.0) and new sites / Web Services (which he called Web 2.0). Its Web services comparison chart 1.0/Web 2.0 was then taken over by Tim O'Reilly in his seminal paper of Web 2.0 in October 2005.

Web 2.0 is no longer a "website" (as defined limits) but rather a web platform based on a set of principles without specific limitations:

• the user becomes a producer of information on media Web that do not belong (eg blog)
• information comes to the Internet through syndication with RSS feeds,
• Web becomes a personalized management by the user data stream (not necessarily suitable reader and a Web browser, personalized view ...)
• Web 2.0 promotes the collective intelligence service as shown in Wikipedia versus Encyclopedia Unniverselle one (each user can edit an article and that of another change in Wikipedia)
• the interaction and sharing transform the Web into social media,
• the "Websites" become Web services (eg Google Docs ) ever built by its use by Internet users (thanks to mashups and widgets, a Web service can be created from existing Web services like Google Maps or PayPal ).

Focus on the blog: the blog has allowed many non-computer users to publish on the Web (importance of permalinks to label information and thus can share it). With the addition of RSS feeds, it also has transformed access to information because information is now on the Internet, it can be edited on other websites (hence more sharable) and that information can be read on drives other than the web browser. A major point that makes RSS a break: there is no interaction between the creator of RSS and its user (the user uses it without asking his consent to the creator).

« ), wiki et non CMS , divers lecteurs Web et pas seulement les navigateurs Web, avec la multiplication des interactions le web 2.0 ressemble plus à ce qui se passe dans un cerveau que le Web 1.0, coopération et pas contrôle, widgets, mashups, AJAX . Listed below are the keywords of Web 2.0 and an attitude not a technology, internet contributor, rich user experience, "an implicit architecture of participation" and not the publication, and blog permalinks, RSS feeds and syndication (rupture of use because no agreement need to use it), interaction, Web platform, Web services, sharing, social media, social networking, social bookmarking, permanent beta, SEO and not the domain name, the data stream , data management, decentralization, tags and not categories (unlike folksonomy taxonomy), multiple Web sources ("long tail") and not just a few reference sites, a system without an owner, open standards, and collective intelligence wisdom of crowds ("wisdom of crowds"), and not wiki CMS, various readers, not just Web browsers, with the proliferation of Web 2.0 interactions is more like what happens in a brain that Web 1.0, cooperation and not control, widgets, mashups, AJAX.

Here are emblematic examples of Web 2.0: Wikipedia , Google Maps , Google Docs , Delicious , Blogger , MySpace , Facebook , YouTube , Flickr .

Here are some online resources available on the Web 2.0:

• Web 2.0 on Wikipedia
• Web 2.0: the revolution by the use
• Special Report: Web 2.0
• A definition of social media
• A new version of the panorama of social media
• Explaining the Web 2.0 (YouTube video)
  
• Common Craft Video on Blogs (English but you can also choose a version in French) [the same video with subtitles in French is available below]
  
• Common Craft video about RSS (English but you can also choose a version in French) [the same video with subtitles in French is available below]
  
• Common Craft video on wikis (English but you can also choose a version in French) [the same video with subtitles in French is available below]
  
• (anglais mais vous pouvez aussi choisir une version en français) [la même vidéo sous-titrée en français est proposée ci-après] Common Craft video on Social Bookmarking (English but you can also choose a version in French) [the same video with subtitles in French is available below]
  
• (anglais mais vous pouvez aussi choisir une version en français) [la même vidéo sous-titrée en français est proposée ci-après] Common Craft video about the Online Photo Sharing (English but you can also choose a version in French) [the same video with subtitles in French is available below]
  
• (anglais mais vous pouvez aussi choisir une version en français) [la même vidéo sous-titrée en français est proposée ci-après] Common Craft video on Social Media (English but you can also choose a version in French) [the same video with subtitles in French is available below]
  
• (anglais mais vous pouvez aussi choisir une version en français) [la même vidéo sous-titrée en français est proposée ci-après] Common Craft video on Social Networking (English but you can also choose a version in French) [the same video with subtitles in French is available below]
  

Real Time Web

Read section 3 of the "Chronicles of the Real Time Web": "Understanding the Real Time Web" .