The Internet of Things concept has been around a long time. But with a central communication hub, open-source platform for developing apps, and devices that communicate with that network, SmartThings is making it a reality. Founder Alex Hawkinson explains how, we could arrive home, have the garage open, lights come on, and get alerts about everything from plumbing problems to an opened gun case, right on our smart phones. Plus, how he raised over $1 million on Kickstarter.