Yep, it usually does. Some circumstances are different, however. Such as when you don't have internet at home, or don't want to use office WiFi. Or if you travel a lot.I don't.
Wifi does the trick both home and office.
T-Mobile has offered UL data since almost forever at no extra cost. They just throttled down the speed after you reach a certain limit. Other carriers have only recently been offering UL plans.