The Republic of Facebook – Economy

The Facebook Economy

There are 550,000+ apps that are used on Facebook. Seventy percent of users engage with apps each month. There are one million app developers. Zynga, the top app developer, made $250 million in 2009. Of that amount, $80-$150 million is estimated to be profit, more net profit than Facebook itself made.

Source: http://www.visualeconomics.com