From routers to your dumb home devices, everything benefits from a smart plug.

The best smart plugs can transform just about any regular ol’ household gadget — from lamps and lights to coffee machines and air purifiers — into a smart home device that you can effortlessly ...

A smart plug is a pretty handy gadget, but for a while, they were touted as a device you could add to anything to turn it smart. That's true to a certain degree; you can use a smart plug to add ...