Bono (and Elevation Partners)

It turns out that the U2 front man, seen here in 2009, also is part of the Elevation Partners investment group, which has an almost 1.5 percent stake in Facebook. Elevation is taking $176 million off the table, and will still be left with $1.3 billion. The return should more than salve the painful reminders of the firm's less stellar investments in Palm and Forbes magazine.