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Web 2.0, a phrase coined by O'Reilly Media in 2003 and popularized by the first Web 2.0 conference in 2004, refers to a perceived second generation of web-based communities and hosted services — such as social-networking sites, wikis and folksonomies — which facilitate collaboration and sharing between users. O'Reilly Media titled a series of conferences around the phrase, and it has since become widely adopted.
Although the term suggests a new version of the World Wide Web, it does not refer to an update to Web technical specifications, but to changes in the ways systems developers have used the web platform. According to Tim O'Reilly, "Web 2.0 is the business revolution in the computer industry caused by the move to the internet as platform, and an attempt to understand the rules for success on that new platform."
Advocates of the concept suggest that technologies such as weblogs, social bookmarking, wikis, podcasts, RSS feeds (and other forms of many-to-many publishing), social software, Web APIs, Web standards and online Web services imply a significant change in web usage. As used by its supporters, the phrase "Web 2.0" can also refer to one or more of the following:
the transition of web sites from isolated information silos to sources of content and functionality, thus becoming computing platforms serving web applications to end-users;
a social phenomenon embracing an approach to generating and distributing Web content itself, characterized by open communication, decentralization of authority, freedom to share and re-use, and "the market as a conversation";
enhanced organization and categorization of content, emphasizing deep linking;
a rise in the economic value of the Web, possibly surpassing the impact of the dot-com boom of the late 1990s.
AJAX is the acronym for A synchronous J avaScript a nd X ML
AJAX forces you to think about discrete services
Gives you a bottoms-up approach to defining services that can reveal new things about your enterprise
PTF UK34429 on CICS TS V3.1 or PTF UK34459 on CICS TS V3.2, for APAR PK58721
PTF UA31443 on z/OS V1.7, for APAR OA16303, or a later release of z/OS
Peter Havercan gave a teleconference entitled "Extending SOA and CICS with Web 2.0" on 11 June 2008. This teleconference explained how, with SupportPac CA8K, you can use existing CICS Web support facilities to deliver Atom feeds containing data from CICS.
To listen to the replay, go to http://www.ibm.com/software/os/systemz/telecon/11jun/index.html