The New York Times has a story today about all the alternative places ads are showing up these days. If you’re really interested in this topic, the MIT Advertising Lab blog provides a steady stream of strange new places ads show up.
However, I don’t think anyone has yet started using “beer foam” advertising that is now possible due to the scientific advances of this do-it-yourselfer. (Serious kink to work out before he receives the Noble prize: after you print a message on beer foam, you can’t drink it.)
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