4 in the Afternoon: Egypt, Chicago, Sydney

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.

Egyptian Protesters Face Water Cannon	Lauren reacts to NFC Championship	iPad Teenage Dream	Sydney Harbor by Staples

1. This dramatic clip from the protests in Egypt reportedly has some people pointing out the visual similarities to the 1989 Tiananmen Square protests. As seen on Storyful.
2. Lauren, 4, had apparently not cared about football until the NFC championship game, when it seems she overinvested herself. Her reaction is among the day's Most Shared videos.
3. A YouTube musician recreates the Katy Perry single using only iPad apps, including one called "Cat Piano" for the voice. As seen on Gizmodo.
4. Staples Australia recreates Sydney Harbor completely out of office supplies. As seen on BuzzFeed.