If you're shopping for a TV, get out a tape measure and do some quick calculations before you head to the store. And count the number of gadgets you'll want to connect to your screen.
Buying a TV is no longer just choosing how big a screen you want.
Here are some big decisions you'll face:
HD or 4K?
There's an emerging picture standard that offers four times the pixels of today's high definition. It's known as ultra-high definition, or 4K. But...