An announcement by Ryan Sarver, a member of the platform team at Twitter, could spell bad news for makers of third-party apps that access the growing social network and new ones looking to get in on the action. In a move that will inevitably cause quite a ruckus among developers and tweeters alike, Twitter has essentially decided that no new apps should be developed "that mimic or reproduce the mainstream Twitter consumer client experience." He goes on to say that existing apps will continue to function, but that the bar will be raised in terms of quality and consistency. Specifically, he cites differences across apps in terminology for core functions like @-replying and trending topics as
