Like Buttons Falling From the Sky

CNN announces what you should know about Facebook's changes:

Buttons with the word "like" and a thumbs-up icon on them are going to start popping up all over the Internet [web:]. By clicking one, you indicate that you find the content interesting, relevant or helpful. Basically, you would recommend it to a friend.

Before Wednesday, "like" buttons only were on Facebook. Now, they'll be all over the place… When you click one, you post the item — whether it's a blog post, photo or...