With the onslaught of smart watches, smart thermostats, and even smart refrigerators that allow you to Tweet hungry messages to your followers, it's only natural that a "smart city" would follow. This week, San Francisco city officials agreed to run a one-year pilot project with Sigfox an FCC certified French start-up that builds low-power wireless networks to create an Internet of Things wireless network that caters exclusively to smart devices with low-bandwidth apps.