Google has launched a new technology that claims to keep unlicensed clips of TV shows, movies and music videos out of its YouTube viral video service. But entertainment industry observers are skeptical that the move is enough to convince Viacom and music publishers to give up outstanding copyright infringement lawsuits against the company. "It's obviously a positive development and if this thing works, it solves the problem going forward," says a source at one media company suing Google for past indiscretions by YouTube. "What remains is previous damages. This development doesn't solve that." Google is facing a $1 billion suit from Viacom, parent of MTV, Nickelodeon and Comedy Central. The value of the suit is based on unauthorized sharing of clips on YouTube from hit shows like "The Daily Show," "The Colbert Report" and "South Park."