Antique Geekmeister writes "Twitter has just decided to discard the community of developers who've created interesting and innovative UI applications. The announcement shows that they intend to switch from the 'bazaar' model of development to the 'cathedral,' with much tighter control of user interfaces for 'security' and 'consistency.'"
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.