Steve Jobs has been ranked the 136th Richest Man in the World by Forbes with a net worth of $5.5 billion. He shares the ranking with 5 others.Following months of rumor and speculation, cultish king of the iGeeks presented the highly anticipated iPad in January; ten-inch, multi-touch computer intended to fill gap between smartphone and laptop. Delighted: nerds everywhere. Scared to death: newspaper and magazine publishers. Also unveiled new iBookstore and iBooks application in direct challenge to Amazon's Kindle; several book publishers have committed to content agreements. Apple shares up 100...