Facebook's f8 developer conference is here, and we're going to be on the ground in San Francisco today to cover it live! How will Mark Zuckerberg push along the Social Graph this time? Will it be with Facebook Music? A total redesign? Something even more mind blowing? The keynote kicks off at 9:30AM PST / 12:30PM ET -- hit the link below to get all the pictures and updates as it all goes down!