The article is just fine. Its theme is "second ideas that were more successful than original ones", and the Odeo guys' decision to switch focus to Twitter is a

The article is just fine. Its theme is "second ideas that were more successful than original ones", and the Odeo guys' decision to switch focus to Twitter is a classic recent example. The blurb had all of three sentences. To take up such limited space with an irrelevant distinction between Odeo and Obvious would obviously have been odious.