Billed as "an anonymous, offline, peer to peer file-sharing network in public space", he has embedded USB sticks as file cache devices throughout NYC.
From the Hackaday link: "Upload what you want, download what you want. They are completely offline which means monitoring gets a lot harder.
Current locations (more to come) include: 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), and West 21st Street, NY (Eyebeam)"
Link to Original Source