Over-the-air broadcasting is going through a significant evolution that'll lead to 4K and HDR content, additional programming and more. And it will still be free. If you're paying for cable, satellite or even a live-TV service like YouTube TV, learning that you can get free network TV content over the air in every city in the US may sound appealing. That includes sports, news, dramas and comedies -- anything that's on ABC, CBS, Fox, NBC, PBS and more. All you need is an antenna and maybe a separate, inexpensive tuner. This new broadcasting standard is called NextGen TV, aka ATSC 3.0. It has been rolling out across the US for several years. There are already NextGen TV stations in nearly [...]