David leads the editorial team at CNET. We create expert reviews, articles and video on every aspect of technology, from AI to Zoox. We are thoroughly, proudly human. Expertise A 25-year CNET veteran, ...

So you've got an HDTV. How do you know it's properly calibrated for the best possible picture? You could invite a technician over for dinner and a movie, but that costs too much and sounds a little ...