How 2015 are you? Take the test

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Kanye West, Justin Bieber, Snapchat rainbow lens, swegway boardImage source, Getty/BBC

How 2015 are you?

From arguing about the colour of a dress to singing "Hello" Adele-style down the phone, how many of this year's crazes sucked you in?

Take the test to find out and share your score.

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