It's not free for users on the unlimited plan.
Is the limo part of your lifestyle or just a one night thing? If it normal then I would have called the driver and asked him about it, most of those guys wont screw you over. (assuming the driver has been working for your family/company for years, at least in my experience)
Yeah, but who the fuck is on an unlimited data plan? That's pretty pricey and kind of a waste if you aren't playing video games and streaming movies 24/7
It was an interesting sequence of events. There is a story behind it, but I don't feel like typing it all out.