There is one thing that's still been growing, even during the darkest days of the recession: the organics industry. Sure, we are still small. But the organics industry, at $30 billion a year, is now bigger than the publishing industry.
There's nothing particularly novel about the wealthy giving away a portion of their fortunes to charity. However, when it comes to giving away all your profits ... well, that one falls a little further outside the capitalist playbook.