Hands-On With The Week's Top Apps

It was a big week for apps. This week Twitter finally launched its highly anticipated music service, and Facebook brought its new Chat Heads features to the iPhone. Yahoo launched a new tablet app for Yahoo Mail with a full-screen feature that lets you read your email like a magazine, and it released a weather app that incorporates Flickr photos, so you see the weather as well as read it. Curious what all these new apps look like? Check out the video above for a hands-on look at some of our favo...