Pierre Omidyar

Forty Billionaires Pledge to Give Most of Wealth to Charity

Famed investor Warren Buffett announced that 40 billionaires have committed to donate at least 50% of their fortunes to charity as part of the Giving Pledge, a project that targets America's richest to pledge to donate their wealth.

Steep Fees to Use eBay Founder Omidyar's News Site: Not So Absurd

The annual subscription for Honolulu Civil Beat is a pricey $240, attracting plenty of skeptics. But don't count it out yet -- Omidyar may have timed the bottom of the paid-content news market well. Watch this space for an indicator of where the news business is headed.

Bad Idea: Company claims to know credit score from Twitter friends