In the year of 2012 their was a huge campaign and i am sure ya heard about it. In 2012 this guy who was in the army decided to paint drones everywhere. And i am asking ppl who do art to not only do the same but to do more. Plz watch the man speak he gives great tips and info out .http://www.huffingtonpost.com/2012/09/24/nypd-drone-poster-campaign-artist-big-brother-ads_n_1909946.html. Here are two links that talks about where graffiti is legal. And here is the facebook event ! https://www.facebook.com/events/491365310906809/?fref=ts.