Hackers in San Francisco (let's imagine this as a real group of people and not key characters in an Aaron Sorkin pilot pitch) provided the new Godzilla movie with unsolicited viral marketing earlier this week by hacking an electronic road sign to read "GODZILLA ATTACK!"

This isn't novel of course—you have seen "ZOMBIES AHEAD," surely—but it is timely. If you would like to hack your own road sign someday, here are instructions.

[image via NBC]