Mark Zuckerberg held a news conference today to reveal something new happening with 'Facebook.'

"Today we're going to take a little trip to our roots," CEO Mark Zuckerberg said, in making the announcement.  The new Graph Search search through people, photos, places, and interests.

According to CNBC, it hopes to keep people on the site longer to view the ads as they are attempting to compete with other social media sites such as ''  Even though the announcement comes with great expectations, Facebook stock took another big tumble.