Five percent, you couldn't...

JEFFREY BROWN: Tom, one of the wholesale rayban sunglasses other interesting aspects of this that you raise in your study is the problems associated with it. You don't always know where that video came from. And there's a line in it that says, "It creates the potential for news to be manufactured or even falsified." TOM ROSENSTIEL: Right. YouTube has guidelines that say that you need to attribute who produced the video, who shot it. But there's no way to enforce that those guidelines are followed. As they say in -- you know, these are just guidelines. And while YouTube is new as a news source, if someone wants to $29 oakley sunglasses stage an event, some of -- about 5 percent of the most-watched videos on YouTube last year, we could not identify where they came from. JEFFREY BROWN: What percent? TOM ROSENSTIEL: Five percent. JEFFREY BROWN: Five percent, you couldn't... TOM ROSENSTIEL: There was no way to know.. (CROSSTALK) JEFFREY BROWN: So the viewer has no way of knowing. TOM ROSENSTIEL: Right. JEFFREY BROWN: oakley sunglasses mens 2012 on sale 640 Yes.