Double Rainbow autotune
A guy called Yosemite posts a Youtube video where he extols the beauty and wonder of a double rainbow he saw. He finds the experience so intense, he starts to cry. The video goes viral leading to the video getting an autotuned musical version. Absolute pop perfection. You can now buy the song from iTunes.

The happiest DJ in the world
As one site said about this viral hit, this man is joy in human form. We want to party with him.

Russian boy band viral
Face it, most popular boy bands have nothing on these Russian dudes.

Old Spice guy video responses
Not content with two of the most watched commercials in recent memory, Old Spice have been using social media and Youtube to produce funny video responses in near real-time to user and celebrity tweets. Responses were directed at Perez Hilton, actress Alyssa Milano and regular tweeters, one of whom asked his girlfriend to marry him through actor Isaiah Mustafa’s character. She said yes. More here.