doesn't have a hard boundary but, rather, a gravitational core," he wrote in a five-page essay that resorted to definition by example, name-checking Flickr, Napster, blogging, wikis and syndication.

Among the problems that Dion sees for Web 2.0 is ‘Needing a Permaconnection,’ or the need for always-on connectivity in order for Web 2.0 to work. I’d like to extend that concern not only to Web 2.0, ...

Not long ago, people relied on newspapers for information and watched television for entertainment. But the arrival of Web 1.0 and Web 2.0 transformed how we consumed content, and now we’re witnessing ...