Google is geared up for big event in San Francisco today. Its still mysterious what they are going to announce but predictions are high on Android version 4.3 and next generation Nexus 7. The event will be lead by Android head Sundar Pichai. The event is scheduled to start at 9 A.M PDT, 12 P.M EDT, 5 PM BST, 4 PM GMT. You can watch the event live here.