What to buy for your new 4K TV

It's that time of year — the one when everyone is looking at a new TV. If you've picked out a brand new 4K set, then congratulations, there's more beautiful HDR — and not-quite HDR — footage to experience than ever before. Of course, the journey d…

Roku spent $150 million so it can sell more ads

Roku is no longer just a company making TV streaming boxes and dongles. It's become a powerful advertising company, too. By some estimates, it streams more ad-supported hours than any other over-the-top (OTT) platform. Today, it announced plans to do…