This interesting article from O’Reilly
is an attempt to clarify just what is ment by Web 2.0. Here is a
comparison table that helps explain the evolution of the Internet
(taken from the article):
domain name speculation
content management systems
upcoming.org and EVDB
search engine optimization
cost per click
Nearly all the items of the list are critical components of our day to day operations:
Adsense, Wikipedia, Blogging, SEO, CPC, Web services, Participation, Wikis and Syndication.
If you are in Spain and want to learn more about Web 2.0, there is an event happening in Madrid on the 24th of October -> WebDosBeta.