It's been a huge year for the crowd-sourced video site. Traffic records have been broken, stars have been made, heck, the site even helped expose a war criminal. These ten videos made the biggest impact over the last year.

10. Stratos Highlights

30,545,982 have tuned in so far to watch Felix Baumgartner plummet 128,100 feet and safely land on the 65th aniversary of Chuck Yeagers historic sound barrier-breaking flight.

9. Facebook Parenting

35,409,932 folks watched a disgruntled father blow away his daughters laptop, though after this weekend's events, it doesn't seem all that funny anymore.

8. Lindsey Sterling

Yes, that's the girl what performs the Zelda theme while cosplaying as Link. Yes, she is trying to do dubstep on a violin. Yes, you may facepalm freely. And yet 38,516,921 still watched it, amazing.

7. Why You Asking All Them Questions

Questions, how the fuck do they work? 39,462,204 people found out this year.

6. Dramatic Surprise

39,642,641 viewers never saw it coming.

5. Epic Rap Battles - Obama vs. Romney

Though we all know who won the presidential battle, only the 45,315,910 people that watched this know who won the rap battle.

4. Call Me Maybe - Bieber, Gomez, Pena

54,924,738 watched this travesty of a song. You should all be ashamed of yourselves. Real music aficianados know it's still all about Rebecca Black

3. KONY 2012

One of the first epic viral videos of the year, Kony 2012 has been seen 94,491,592 times since it dropped in early March.

2. Walk off the Earth

Also known as the "5 People, 1 Guitar" Song, this year's number two video garnered 140,204,255 hits and finally added to the "multiple people, single object" genre started by those adorable girls and their cup.

1. PSY - Gangnam Style

If you have not seen the number one YouTube video of the year, nay the number one video YouTube video of all time, consider yourself old. It's been viewed a whopping 971,518,818 times and is expected to be the first YT video to ever break the 1 billion view mark—sometime this week.