Twice each day we scan our YouTube metrics as well as websites on the cutting edge of internet culture to discover the most buzzed about videos.

Scenes from Cairo	Did I Mention I Like to Dance	Mario Kart in Real Life	Politician Fight

1. After word of President Mubarak's resignation hit the streets of Egypt, massive celebrations broke out in Cairo and other major cities. Here, a group of Egyptians react to the news following a prayer in Tahrir square. See more footage from the ground at CitizenTube
2. From the makers of "Lemme Smang It," which has been viewed 1.8 million times, comes this hard to describe music video. BuzzFeed.
3. Very popular French comedian Remi Gaillard returns with a sequel to his successful Mario Kart prank. As seen on High Definite.
4. Politicians brawl in Venezuela's National Assembly. As seen on Gawker.