Over the past few years, social media has given rise to a number of crazes that have quickly spread across the web; with the likes of Twitter and Facebook, a trend started in Devon can reach Delaware in a matter of minutes.

In the past 5 years, social media trends have got bigger and bigger, and in some cases wackier and wackier. Take a look at the 15 most iconic trends – from absurd trends like Cinnamon Challenge, to those with an underlying charitable cause like the Ice Bucket Challenge.

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