Yes, he's back. When the Apple event started today, CEO Steve Jobs took the stage to a very long standing ovation. He used his opening remarks to talk about the importance of organ donation. Jobs noted that he now had the liver of a person in their mid-20s who died in a car crash. Jobs urged everyone to think about organ donation, as it saved his life. After that, Jobs thanked Apple's executive team, and especially Tim Cook, who steered Apple's ship in his absence. But then it was time for Jobs to quickly move into some impressive statistics. Here are a handful of them: TechCrunch50 Conference 2009 : September 14-15, 2009, San Francisco