You don't need an expensive Nest to connect your home to the Internet of Things.
"The connected home, the ultimate ideal in technology-driven luxury, promises easy living by passing along our drudgery to computers. But it’s not perfect.
Even if you’re willing to shell out for expensive devices for your house, are you willing to trust them? There’s always the concern that when a middleman is involved, you’re relinquishing at least some control of your own domain.
In that case, why not roll your own connected home? ..."