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"Images are often more powerful than words with more potential to go viral," said Samantha Bradshaw, one of the report's author's
Queen's 'Bohemian Rhapsody' hits 1 billion views on YouTube
Where is the line between debate and harassment on social media?
YouTube has been caught up in a dispute between a conservative comedian and a gay reporter, which has thrown into question the responsibilities of platforms to protect users while still allowing free speech.
The children told police their adoptive mother starved, beat and pepper sprayed them when they failed to follow direction for videos, officials said.
Ryan, seven, earned €19.2 million in a year.
Little-known French rapper Nick Conrad has released a song called "Hang the whites". The video has been removed from YouTube and authorities are now investigating for incitement to racial hatred.
YouTube and video-hosting service Vevo appear to have fallen victim to a hack that saw numerous high-profile music videos defaced.
A woman who had voiced complaints online about YouTube opened fire with a handgun at the tech company's headquarters near San Francisco on Tuesday, wounding three people before shooting herself dead, authorities and media said.
Muslim mayor Sadiq Khan reads out expletive-laden hate speech in the video, which Has so far attracted 170,000 views on Facebook.
In Minnesota, teenage mum Monalisa Perez shot her boyfriend Pedro Ruiz through a book they both believed would stop the bullet.
America's biggest healthcare retailer joins the list of companies stopping You Tube advertising as the row over lack of scrutiny of controversial content continues.
Google promised better controls for its websites, particularly YouTube, after complaints companies' adverts have appeared next to hate-filled videos.
At least a billion hours of content are being consumed by YouTube users each day, Google-owner company reveal