What do they have in common?

What do the following people have in common?

Mark Zuckerberg
Bill Gates
Warren Buffett
Michael Bloomberg
Larry Ellison

George Lucas
Ted Turner 

They joined the band of billionaires who have pledged to give the majority of their wealth to charity.

Click here   to learn more about their generosity!

These guys always get knocked for their wealth, here is the good they do!