Phone services on my iPad

A new app, Line2, just released for the iPad, let's you make phone calls on the iPad. This is cool. No need for a phone or even a phone company to make calls. You sign up and get a new phone number (all done wirelessly and instantly) which you use to make calls. Your contacts address book can be uploaded saving the time of entering individual phone numbers. You can forward your landline or mobile phone calls to the iPad as well and it handles SMS and voice mail. This is going to be big ...