Facebook takes a 40% rake from advertisers. Ouch! $2B income from $5B in ad revenue. Hopeful businesses just keep running ads and lining Facebook's wallet. If

Facebook takes a 40% rake from advertisers. Ouch! $2B income from $5B in ad revenue. Hopeful businesses just keep running ads and lining Facebook's wallet. If Mark really wanted to give back, he'd give us more clicks per $.