They didn't walk web 2.0 back because web 2.0 won so completely that web 1.0 sites are noted for being quaint and charming callbacks to an older era. Web 2.0 w

They didn't walk web 2.0 back because web 2.0 won so completely that web 1.0 sites are noted for being quaint and charming callbacks to an older era. Web 2.0 was "social web", wikis, AJAX requests, and the move towards SPAs. It's very much still the reigning paradigm.