Facebook is set to float on the stock exchange today and all its early investors must be smiling. One of them, U2's frontman Bono, has shares worth over $1,5 billion alone. This puts him well above Paul McCartney
- currently the world's richest musician.
Who knew devoting your career to charity, world peace, and good causes could be so profitable?
Bono owns 2,3% of the shares in Facebook through his private equity firm, ...