We are living in the "Information Age." Nearly every thing we touch is connected with the internet, a never-ending digital warehouse of knowledge, entertainment, and connectivity. The downside is this technology requires a lot of electricity. If for some reason the electricity goes out or batteries dies, that fancy iPhone is just a paperweight. So designers and inventors are experimenting with people-power. Here's a round up of gadgets using human energy that make off-grid living pretty great.