(@ axod, reply link goes away after a while, so Ill reply here.) Sometimes lack of innovation is also an innovation. The innovation has happened around uses of

(@ axod, reply link goes away after a while, so Ill reply here.) Sometimes lack of innovation is also an innovation. The innovation has happened around uses of twitter, apps of twitter, not twitter itself. And think of it this way, FB has way more features than twitter, and yet they had to introduce features which twitter had, and are competing with it.