Billboard hacking

It may involve physically pasting new media over the existing image,[1] or hacking into the system used to control electronic billboard displays.

The replaced media may be displayed for various reasons, including culture jamming, shock value, promotion, activism,[2] political propaganda,[3] or simply to amuse viewers.

In the first centuries BC, inscriptions promoting gladiatorial battles on the houses of the wealthiest in Pompeii commonly encountered passers-by who would inscribe their own humorous or insulting responses.

[6] In 1984, the art collective Frères Ripoulain collaborated with the American artist Keith Haring to paint over billboards on the platform of Metro Dupleix in Paris.

[8][9] In Republic Square, Belgrade, Serbia, hackers caused a billboard to display an advertisement for The Pirate Bay which read "First they ignore you, then they laugh at you, then they fight you, then you win.

[17] One study warned corporate clients that attempts to prosecute billboard hackers would likely cause more bad publicity than the original offence, and suggested the best response may be to "address any criticisms raised.