The flip side is that this makes Prime much more sticky - if you want to cancel Prime you need to find a new mobile provider and port your number over. There's

The flip side is that this makes Prime much more sticky - if you want to cancel Prime you need to find a new mobile provider and port your number over. There's no way they keep Prime at the same price while also adding mobile service, but I guess we'll have to wait and see. Or maybe they do and start raising Prime prices in a year or two, knowing that said sticky-ness will keep people on Prime even if it starts costing close to the amount you'd pay for individual mobile service anyway.