Once everyone is tired out, organisers like Newmindspace in New York collect pillows to donate to no-kill animal shelters and remind participants to clean up any mess.

BBC: Get rowdy at International Pillow Fight Day

At the head office building there was no water in our 18-storey building and the toilets were in a mess.

CNN: Zimbabwe schools begin fightback

He planned to work during the four-hour ride from Boston but forgot his USB memory stick, leaving him with a laptop and no code to mess with.

FORBES: Best Small Companies

Gloucester made a real mess of the re-start and Gavin Henson - who did his chances of a Wales recall no harm - and Ian Evans gave Jonny Vaughton a run at the corner.

BBC: Gloucester 26-18 Ospreys