CES 2014: Yahoo says over half of its 800 million monthly users on mobile More than half of the total 800 million monthly users of Yahoo! access it on their mobile phones, CEO Marissa Mayer said. Mayer, while unveiling a suite of services covering digital advertising, January 8, 2014 Channel/Game Online/LCD TV/LED TV/Mobile Launch/Networking/News/Security/Social Media/Tablet/Telecom News/TV