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.
Turkey's Prime Minister Tayyip Erdogan has said the nation could ban Facebook and YouTube, which he says have been abused by his political enemies, after local elections on March 30.
Erdogan is locked in a power struggle with the US-based Turkish cleric Fethullah Gulen, a former ally who he says is behind a stream of "fabricated" audio recordings posted on the internet allegedly revealing corruption in his inner circle.
"We are determined on this subject. We will not leave this nation at the mercy of YouTube and Facebook," Erdogan said.
He added that the possible barring of these sites was included in his planned measures.
British intelligence agencies have the capacity to monitor social media sites such as Facebook and YouTube by tapping into the cables carrying the world's internet traffic, according to documents obtained by NBC News.
The documents, reportedly taken from the US National Security Agency by whistleblower Edward Snowden, show British spies demonstrated a pilot programme to their US counterparts in 2012.
The programme, called "Squeaky Dolphin", was able to monitor YouTube in real time, collect addresses and some other user information.
According to the “Psychology A New Kind of SIGDEV [Signals Development] presentation, the Government was also able to take part in “broad real-time monitoring of online activity” of URLs “liked” on Facebook, Blogspot/Blogger visits and Twitter.
A man who admitted posting online footage of himself dressed in a Ku Klux Klan costume to stir up racial hatred has been jailed for 12 months.
Christopher Philips appeared at Wolverhampton Crown Court today, after previously pleading guilty to appearing in three YouTube videos last year showing him wearing the klansman outfit, and posing with a life-sized golliwog doll at a far-right gathering.
Sentencing Philips, formerly known as Darren Clifft, Judge John Warner told him: "It does not require advanced education or knowledge of history to know what you were seeking to convey might cause offence."
He added the publication of the videos by Philips, who has Asperger's, would obviously be "thoroughly offensive" or "highly inflammatory", leaving him with no choice but to jail the 24-year-old.
US pop sensation Miley Cyrus has claimed top spot in YouTube rankings for September, with her channel clocking up nearly 270.1 million views and comfortably outdoing long-running online favourtite PewDiePie, a Swedish games channel.
According to social media ranking site Tubefilter, The Miliey Cyrus channel averaged 9 million views a day and 104 views a second during the month.
A dog who cannot get through a car journey without his owner holding his paw for reassurance is becoming the latest web hit.
In a video posted to YouTube, the scaredy dog Tommy can be seen cowering in the passenger seat as the car begins driving, before trying to hide under the driver's arm.
As it all gets too much for him, Tommy pulls his owner's hand towards him to squeeze his paw.
Tommy's owner Adam Douglas, who uploaded the video, wrote after it reached over 403,000 hits: "I only uploaded the video to see what the YouTube video editor was like so I didn't expect this at all."
Former US President Bill Clinton may be better known for playing the saxophone than his singing, but thanks to YouTube user baracksdubs that could be a thing of the past.
Thanks to some clever editing, Clinton has taken on one of the sounds of the summer, Robin Thicke's controversial hit Blurred Lines.
It is not the first time baracksdubs has got creative with a President and a chart topper - previous clips include Barack Obama singing Daft Punk's Get Lucky, LMFAO's Sexy and I Know It and Carly Rae Jepson's Call Me Maybe.
A video of a man getting a high-five from a bumble bee has gone viral on YouTube, accumulating over 170,000 views.
The bee appears to high-five the man a number of times to the delight of the watching audience.
The creator of the video admitted he had "had a beer, or two."