Interesting article in the UK's Guardian regarding outsource FB likes using Bangladeshi click 'exchanges.'
http://www.theguardian.com/technolog...ine-popularity
I am sure most people who buy FB likes, twitter followers, and Pinterest Pins aren't gunning for real traffic boosts. Instead, they use the 'social proof' to draw in more visitors to their sites, get blog partners, or benefit in a countless ways which don't involve money per se.