Six young Iranians have been arrested and forced to apologise on state TV after posting a video of them dancing to the song 'Happy'.
The terrifying moment a couple were threatened with a gun and a machete during a robbery in Guatemala has been posted online to warn others.
A cat called Willie has become an internet hit after learning how to clean up after himself in the bathroom.
An angry goat in Brazil has earned online notoriety after it was filmed attacking people in a Brazilian town near Sao Paulo.
Onlookers in the town of Londrina are seen running away to escape the wrath of the goat, however some residents were not so lucky.
The goat initially looks like it is innocently following a woman carrying shopping, but it quickly turns nasty when it knocks the woman down.
One man who unsuccessfully tried to retaliate against the goat was swiftly forced to the ground, before he tried to evade the animal by running around a tree.
The perpetrator even butted a moving motorcycle; nearly knocking two riders off of the bike.
The video, posted on YouTube, has been viewed more than two and a half million times around the world.
Ricky Gervais has released a preview of his new YouTube series Learn Guitar With David Brent.
In the guise of his Office alter ego David Brent, he tells viewers: "I'm not going to teach you. You're going to teach you." It seems, much like in the show, it is more about him finding an audience to play the guitar to.
YouTube, which is owned by Google, recently recorded an audience of one billion unique visitors per month, however Mr Schmidt confidently predicted figures of "six or seven billion" in the future.
Robert Kyncl, YouTube's global head of content, insisted that it is a completely different experience to that of TV due to the greater levels of "engagement".
"TV is one-way. YouTube talks back" he said.
One April Fools' Day prank that has provoked a strong reaction is YouTube's claim that it is planning to stop accepting video uploads.
In a video addressed to users, a YouTube employee announces that the entire website was an attempt to "find the best video in the world" and that the company will spend the next decade reviewing all of the entries to pick a winner.
One user commented on the video "I almost had a heart attack ... That wasn't funny," while another expressed their dismay at having to "wait a whole 10 years" for the winner to be announced.
YouTube phenomenon Devin Graham has released a video of "the world's most insane rope swing ever" - which takes place over a canyon in the US.
Graham, aka devinsupertramp, asked some of his fellow YouTubers to join him in the daring stunt, which involved a 400-foot free fall through the canyon.
One of the daredevils who took part, vlogger Shaycarl, tweeted afterwards, "About half way down I remembered there was a camera on my face and I should try to look like I wasn't terrified!"