YouTube cofounder casually promises to wipe out Ustream, Justin.tv 1.21K Nicholas Carlson 02/29/08 11:14AM Filed to: steve chen steve chen ustream.tv justin.tv YouTube Valleywag In the clip above, Steve Chen tells us YouTube plans to add live streaming by the end of 2008. And, from her voiceover, that Pop17's Sarah Meyers would love a Philippe Dauman Jr. party.