The massive sensor network assumed by most advanced scenarios of ubiquitous computing must first be innocously deployed in devices used for other purposes. Accordingly, this project has developed a sensor node embedded into a common power strip. This device has access to power (and potentially networking) through its cord, can control and measure the detailed current profile consumed by devices plugged into its outlets, supports an ensemble of sensors (microphone, light, temperature, and vibration sensors are intrinsic, and other sensors such as thermal motion and cameras can be added easily), and hosts an RF network that can connect to other PlugPoint sensors and small nearby wireless sensors. We are now exploring a host of ubiquitous computing applications that can be developed on these devices when they are deployed across the Media Lab.