Twitter Comes Of Age - And Improves

New geolocation features, among others, will make Twitter a more useful tool for businesses and consumers, says tech reporter Clair Cain Miller.

"Chirp is Twitter’s first developer conference. It is also a coming out party, as Twitter the start-up turns into Twitter the big company, with more spin, more polish and more controversy.

As evidence that it has become a big company, Twitter revealed at the conference, which started in San Francisco on Wednesday, some big, previously undisclosed stats..."