Many of you reading this have probably (at some point in your lives) employed your fingertips when writing on a dirty surface. Think of writing “wash me” on a dirty car and you know what I mean. What many of you might not know, however, is that this is called reverse graffiti and it is definitely not limited to jokes and play–advertisers utilize it, as well. Some call it clean tagging, green graffiti or even clean advertising and, regardless of its label, reverse graffiti has become an extremely intriguing tactic.
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