Instagram's Ad Sales Are Expected to Top $2 Billion by 2017

It will outsell Google and Twitter for display, eMarketer says

Instagram will generate almost $600 million in ad sales this year, according to eMarketer's first report on the photo-sharing mobile app. The research firm also predicted Instagram will earn $2.81 billion in ad sales by 2017, outselling Google and Twitter when it comes to U.S. display ads.