Popular home automation device maker Nest has announced a major refresh of its entire product line, including the introduction of Nest Cam, a redesigned Nest Protect alarm, new features for the Nest Learning Thermostat, and a major update to its Nest iOS app. The new Nest Cam ($199) provides full 1080p HD video recording with motion alerts and night vision to allow users to keep an eye on their home from anywhere. A second-generation Nest Protect…
