I got my hands on the fourth generation model of Google Home's smartest thermostat. Its new features are appealing, but you'll pay for them. Tyler is a writer for CNET covering laptops and video games ...

A fourth generation Nest Learning Thermostat and second generation Nest Temperature Sensor have leaked. The new Thermostat appears to feature a larger screen than its almost decade-old predecessor.

Nest's two smart thermostats look similar, but they're very different under the hood—and only one of them is a "learning" thermostat. Read CR's expert review for the real-world differences. The Google ...