This is a big one, because it applies to just about every USB port on every TV and monitor: You can plug in small gadgets ...
When you're looking for a new monitor, the number of USB ports and what you can plug into them are probably pretty far down the list of requirements. At least, I know they are for me when I'm looking ...
It's true that thin and light laptops in recent years, like the MacBook Air, have changed the game for portability and performance — especially with the massive gains in the battery department.