What you should know about Facebook's changes - CNN.com - U like "Like" buttons to be all over the Internet?

San Francisco, California (CNN) -- Facebook announced some changes on Wednesday that are intended to make the Internet more social. Essentially, Facebook is stretching out into the rest of the Web.
But what do these new features actually mean for everyday people who use the Internet?
And when you see these Facebook-looking features popping up on other Web sites, how do you know what to do with them?
Here's a quick guide, based on a comments by Mark Zuckerberg, Facebook's founder and CEO, and interviews with developers who create applications for the massively popular social-networking site:

"Like" buttons

Buttons with the word "like" and a thumbs-up icon on them are going to start popping up all over the Internet. 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, including on this site. When you click one, you post the item -- whether it's a blog post, photo or celebrity web page -- to your Facebook news feed.
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