These generally feature Internet users recording themselves taking a challenge and then distributing the resulting video through social media sites, often inspiring or daring other users to repeat the challenge.
He was convicted of first-degree murder and 140 counts of attempted first degree murder for the shooting at a packed midnight screening of a Batman film at a multiplex in the Denver suburb of Aurora.
This is a partial list of social and cultural phenomena specific to the Internet, also known as Internet memes, such as popular themes, catchphrases, images, viral videos, and jokes.
When such fads and sensations occur online, they tend to grow rapidly and become more widespread because the instant communication facilitates word of mouth.
But he then drove them to remote locations where he raped and killed them, dumping their bodies Pain: Speculation in Russia has suggested police are examining up to 50 new cases but police have refused to comment on the exact number that Popkov has now revealed to them.
Pictured, Popkov's wife Elena Tanya's sister Viktoria Chagaeva, 48, who owns a beauty salon in Angarsk, said: 'The pain does not go away.