Is it a meaningless marketing buzzword? Or is it the new conventional wisdom? The term has become so widespread that some people use it, with no real understanding of just what it means. Perhaps that is because there isn’t an official definition for “Web 2.0” and it can mean radically different things to different people.

Here’s Wikipedia’s definition for the term: “Web 2.0 refers to a perceived second generation of web-based communities and hosted services–such as social-networking sites, blogs, and social bookmarking— which aim to facilitate collaboration and sharing between users. Although the term suggests a new version of the World Wide Web, it does not refer to an update to any technical specifications, but to changes in the ways software developers and end-users use the web.”
So what does this mean? And what started the “Web 2.0” revolution?

The concept of “Web 2.0” was born during a conference in 2004 with O’Reilly Media and Media Live International. Dale Dougherty, web pioneer and O’Reilly VP, noted that the dot-com collapse in 2001, had marked a turning point for the web. There were more and more new and exciting applications and sites popping up every day, such as weblogs, social bookmarking, wikis, podcasts, RSS feeds, social software, web application programming interfaces (API’s) and online web services (ie. eBay). Most of all, the way people were using the web had changed significantly. These websites take advantage of web application technologies and give web users the ability to collaborate and share their experiences, views, opinions and interests while they surf the web.
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