Most Watched YouTube videos (Global):
1. Susan Boyle - Britain's Got Talent (120+ million views)
2. David After Dentist (37+ million views)
3. JK Wedding Entrance Dance (33+ million views)
4. New Moon Movie Trailer (31+ million views)
5. Evian Roller Babies (27+ million views)

Most Watched music videos on YouTube (Global)*:
1. Pitbull "I Know You Want Me" (82+ million views)
2. Miley Cyrus "The Climb" (64+ million views)
3. Miley Cyrus "Party in the U.S.A." (54+ million views)
4. The Lonely Island "I'm On a Boat" (48+ million views)
5. Keri Hilson "Knock You Down" (35+ million views)

Then, to determine the fastest rising search terms for each month, we examined the billions of queries that people searched for on YouTube (through December 15):

Fastest Rising YouTube search terms by month (Global):

January: inauguration

February: christian bale

March: the climb

April: susan boyle

May: pacquiao vs hatton

June: michael jackson thriller

July: michael jackson

August: usain bolt

September: kanye west

October: paranormal activity

November: bad romance

December: tiger woods

Earlier this week, YouTube announced the list of what we watched and searched for. They looked at YouTube counts aggregated where there were multiple versions of the same video.

What inspiration does this give you in terms of your online video marketing campaign in 2010?

It's interesting that the second most popular music video was The Climb by Miley Cirus - the song that XFactor winner Joe McElderry is hoping will be the UK's Christmas Number 1. I wonder if Simon Cowell's research team checked YouTube stats before he suggested that was the song the XFactor winner would sing?