Reddit programmer Keith Mitchell works in his office at the company's headquarters in San Francisco, California April 15, 2014. Reddit, a website with a retro-'90s look and space-alien mascot that tracks everything from online news to celebrity Q&As, is going after more eyeballs, and advertising, by allowing members of its passionate community to post their own news more quickly and easily. REUTERS/Robert Galbraith (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY)