Mobile Peer2Peer
MobileP2P aims to magically populate mobile devices with popular video clips and app updates without using people's data plans, by opportunistically connecting nearby devices together when they are in range of each other. We take advantage of spontaneous huge data flows created by people carrying devices with GBs of flash storage, and make them form a network via P2P communication. This infrastructure-free, "crowd-sourced" communication channel may also be useful for real-world proximity-based social networking, advertisement, and gaming.
More Info: Project Website