This is a series of three articles - the first (this one) outlining the significance of Web 2.0 technologies, the second article discussing the impact of Web 2.0 technologies on mobility, and the final article on the impact of Web 2.0 technologies on digital convergence. If you are already familiar with Web 2.0, my goal, in a nutshell (no pun intended!) is to extend Tim O Reilly's in Public bookmarkswith 2.0mobilemobilityweb