Yahoo Set to Pass Twitter in U.S. Mobile Ads After Mayer Revamp

Yahoo! is poised to surpass Twitter next year to become the third-biggest company in U.S. mobile advertising, bolstering a key part of Chief Executive Officer Marissa Mayer’s turnaround effort.

http://www.bloomberg.com/news/2014-12-04/yahoo-set-to-pass-twitter-in-u-s-mobile-ads-after-mayer-revamp.html