There are a few reasons some people still clamor for "dumb" TVs. One is privacy, and another, avoiding more advertising than TV already subjects us to. The overriding incentive though is simplicity.

The Amazon Fire TV Stick 4K and Roku Streaming Stick Plus can add media streaming and smart home features to your TV for less than $50. I tested both to help you decide which one to buy. I’m PCMag’s ...