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Very cool, unless you're in the building, I 'spose.

As far as I'm concerned, the more graffiti, the better. Seems like human instinct to mark things up, no?
 
Not toys!

Yeah that is great until someone in that building looks out the window and is blinded by the laser.

A basic laser pointer can cause eye damage very quickly. People need to understand Lasers are not toys.
 
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