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Twine is the simplest possible way to get the objects in your life texting, tweeting or emailing. A durable 2.5" square provides WiFi connectivity, internal and external sensors, and two AAA batteries that keep it running for months. A simple web app allows to you quickly set up your Twine with human-friendly rules — no programming needed. And if you're more adventurous, you can connect your own sensors and use HTTP to have Twine send data to your own app. $99
The nPower PEG is the world's first mobile device charger that generates renewable energy from movements like walking, running, and biking. Keep the PEG in your briefcase, backpack, or purse and go about your daily activities. As you move, the PEG continually recharges its internal battery with your kinetic energy. The PEG can also be conveniently used as a traditional rechargeable external battery.