Chirp Update: Twitter Gut Checks Foursquare With "Points of Interest," Announces "Places," Introduces Will.i.am

UPDATE 3: Will.i.am of the Black Eyed Peas just came to the stage. "The Internet has been around for a while, but it has yet to produce the next Michael Jackson," says Will.i.am. Um, have you heard of Justin Bieber?

UPDATE 2: Ryan Sarver, director of platform, has now taken the stage to talk about--you guessed it-- Twitter's platform,
and
says that there are over 100,000 registered applications on
Twitter's platform. He says what Twitter is focused on now is the
"concept of location,...