I signed up with Ringplus. They sometimes give free tethering with their "free" service. So far, I have paid a one time top up on a plan that does not bill me a

I signed up with Ringplus. They sometimes give free tethering with their "free" service. So far, I have paid a one time top up on a plan that does not bill me and got tethering too, so I am happy with it. The price certainly was right. That said, I could make similiar remarks about telecommunications companies still charging for phone service given that I do not pay monthly bills for it anymore, yet have it. If RingPlus' advertising and freemium business model turns out to be sustainable, then I ought to still have "free" service a few years from now.