New York's recovery certainly started with a clampdown on anti-social behaviour graffiti writing, street drinking, turnstile jumping, and so on.

ECONOMIST: Crime

Different types of music was played at different times of the day and in an area where classical music was played, young people stopped writing graffiti.

BBC: NEWS | UK | Northern Ireland | Classical attempt to curb loitering

According to records obtained by the Miami Herald, Martin had been suspended from school three times: once for writing graffiti on a door, another time for school truancy and the last time due to drug residue being found in his backpack.

CNN: Police: Trayvon Martin's death 'ultimately avoidable'

In the week prior to his visit, he said, at least two young people were arrested, under the Emergency Law, for writing anti-Mubarak graffiti on a wall, and spent a couple of days in prison.

NEWYORKER: The Contenders

It's faster than using your thumbs or even writing in the shorthand "graffiti" language used on some Palm devices: Users have gotten around 60 to 70 words per minute with the program.

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