What is Nest? Why did Google buy it for $3.2 Billon
Adults DesignNest builds products like this thermostat that can be remotely set via your smartphone or tablet to automatically adjust to a particular temperature. It also connects to Wi-Fi to analyze and compare the outside weather with your indoor environment in real-time. The thermostat even has a sensor with a 150-degree range to detect when you're not home, so it can adjust the temperature accordingly, and save energy.