Nest Cam IQ, review: The best way to keep your home safe from the comfort of your phone

The new, upgraded security camera from Nest is now on sale. This is the third smart camera from Nest, called Nest Cam IQ. So does it live up to its name? Well, it certainly boasts that it can tell the difference between a person and a thing, for instance. Set-up is easy, as you might expect from Nest.