YouTube has a new Labs program, allowing listeners to "discover the next generation of YouTube." In case you were wondering, that generation is apparently all about AI. The streaming site says Labs will offer a glimpse of the AI features it's developing for YouTube Music, and it starts with AI "hosts" that will chime in while you're listening to music. Yes, really. The new AI music hosts are supposed to provide a richer listening experience, according to YouTube. As you're listening to tunes, th...