Original Link: http://www.wired.com/business/2013/05/marissa-mayer-makes-portals-fashionable/

Ryan Tate on Yahoo!’s expansion:

Buying Tumblr gives the company potentially valuable data on the interests of sophisticated young computer users; Summly lets it see what news you are interested in while mobile; Hulu would provide insight into what television shows you prefer. Meanwhile, each information source also doubles as an ad delivery channel.