onlinespending
Member
Whispernet is not free. It is paid for out of the book you are downloading.
I guess that they could do something like the N years free map updates. Charge it all up-front, so there is no monthly bill.
Roadster has 'free' cellular for Tesla's own use - they can justify that by it being under their control, getting valuable battery performance data from the car, and getting paid for the annual service.
I suppose it's not free to Amazon, though for all intents and purposes it's free to the end user. There's tons of free books that I can still download over Whispernet. Sure you could argue that the non-free books subsidize the cost of all whispernet usage, even the completely free ebooks.
The fact is, I'm sure Amazon is getting a rather good deal with AT&T. Tesla could get a similar deal when limited to data sent to the company and for control/monitoring by the app (and given that this would go through Tesla's servers, they would have "control" over the usage as well if that's a concern), which would all be very low bandwidth. In fact, AT&T may be willing to reach a deal for free given just how little the data would be, since it's free advertising and exposure for the company. And lets remember, that may be part of the deal for being the exclusive data provider for the Model S. Any Model S customer wanting a full data plan will need to get one through AT&T. They'd be happy to offer free low-bandwidth usage for the rights to more paid data plans. And even if Tesla were paying a fee, I'd imagine it'd be pretty nominal, so the cost could be covered by the cost of each Model S.