(Reuters) - Facebook Inc's quarterly profit and revenue blew past Wall Street estimates as the company's hugely popular mobile app and a push into video attracted new advertisers and encouraged existing ones to spend more.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=WAmeAMrdRKg:TGxqY3WQB2w:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=WAmeAMrdRKg:TGxqY3WQB2w:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=WAmeAMrdRKg:TGxqY3WQB2w:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=WAmeAMrdRKg:TGxqY3WQB2w:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=WAmeAMrdRKg:TGxqY3WQB2w:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/WAmeAMrdRKg" height="1" width="1" alt="" />