Viral phenomena are data files that are spread via the internet. They can be video clips, pictures, texts or a combination.
When shared on social media, viral content can spread rapidly. So-called Memes are the best-known example of viral phenomena.
Are social media thought-police finally a reality? A clip of two official-looking men badged as 'fbi' who stop people from viewing nude art in a Belgian gallery has gone viral. But is it censorship, or a publicity stunt?
KFC Germany and Berlin police denied accusations of racism after an online video showed police removing a group of black tourists from a Berlin store. Employees claimed the group was "disruptive," but the guests deny it.