NetSquared Challenge: What Will Cell Phones Do Next?

Assured Labor helps match willing workers around the world with honest employers, using partnerships, referrals and ratings to provide assurance that both parties are reliable.

Fluid Nexus allows groups of people to communicate with one another in the absence of a centralized cellular network. (The team behind the project imagines it as a crucial tool for relief workers during a national disaster, which is a need that we've discussed before on Worldchanging.)