During its recent earnings call, Google claimed that YouTube is now bigger than any single cable network among the 18-49 demographic. YouTube’s heavily engaged user base and significant mobile growth were highlights of the discussion. The video-sharing network will put its own online stars to the test early next year when its new paid video service is expected to launch. Media partners representing more than 90 percent of current YouTube viewing have signed on to the new service, although Google has yet to secure deals with major TV networks. Continue reading YouTube Readies Paid Service, Mobile Viewership on the Rise