Bay Area sees plenty of new billionaires join list of world's richest

The annual World's Billionaires List is out from Forbes. As usual, the San Francisco Bay Area is well represented and the ranks for local billionaires appears to have grown even larger. A few takeaways from this year's billionaires list: Six of the top 10 billionaires have strong Bay Area connections, but two of them — Tesla's Elon Musk (No. 2 with $151 billion) and Oracle's Larry Ellison (No. 7 at $93 billion) — made either personal or corporate decisions to leave the area. Last year, Musk…