Restaurants are required by law in New York and most other states to post instructions on how to save someone who is choking. However, in the last couple of years NYC restaurant owners have started to replace the official poster (designed by Steve Duenes) with new ones designed by local artists, illustrators, and designers.
For more, head over to NPR's Studio 360 or read a story about the posters on the Wall Street Journal.
via quipsologies