The Dead Drops project is an anonymous, offline, peer to peer file-sharing network.
Any one can plug a laptop to a wall, house or pole to share their favorite files and data.
Each dead drop contains a readme.txt file explaining the project.
The dead drops can be found here:
87 3rd Avenue, Brooklyn, NY (Makerbot)
Empire Fulton Ferry Park, Brooklyn, NY (Dumbo)
235 Bowery, NY (New Museum)
Union Square, NY (Subway Station 14th St)
540 West 21st Street, NY (Eyebeam)