Playing through Fallout New Vegas' DLC has infected my brain, to the point where I look at cell towers and crack houses in real life, wondering if I can score some sweet caps and drained microfusion cells.
--Counter-Vandalism by war-supporters. The vandalized posters would frequently be torn down and sent to known opponents of the war (and/or graffiti artists) with a sticky note inscribed with the above taunt.
For my day job I do stuff... on things in a big room with a big vault door and little doohickeys on the windows that spoof laser microphones. I printed this out and posted it; people are getting a kick out of it.