#BBCTrending: The comedians who invade your personal space
What would you do if somebody in the street came to you and touched your beard, took off your hat or even handcuffed you? How would you react?
More to the point, how would you react when you found out they were videoing the whole encounter, to post for other people to laugh at?
A new generation of YouTubers are taking comedy to the extreme by invading people's personal space during street pranks.
But while some think strangers can handle it, others believe everyone has the right to walk down the street unmolested.
Video journalist: Alvaro A Ricciardelli
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24 Mar 2015