Twitter has an exciting business it rarely talks about, but could be a major money-maker

Twitter acquired MoPub, a mobile app ad network, ad server, and real-time bidding exchange. Last year one analyst predicted MoPub will bring in more than $500 million in annual revenue by 2017,

Link de la noticia: 
http://www.businessinsider.com/twitter-mopub-senior-director-janae-mcdonough-int...