09/09/2011 02:30 pm ET Updated Nov 09, 2011

'Contagion' Promoted By Warner Brothers With Living Bacteria Billboard (VIDEO)

If you've got a weak stomach, you might want to skip this video.

Maybe the movie too, since it's reportedly just a tad bit too real.

As a clever marketing technique, the billboard advertising the film is actually a giant petri dish--painted with penicillin, mold, and other bacteria. After it was left to grow, the bacteria eventually grew to spell Contagion.

Gross? Possibly. Memorable? Definitely.

This is really redefines viral marketing.

Click here to watch the trailer for the film.

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