My little brother did not have a cellphone for most of his just-completed Freshman year of college. He had an iPod Touch with Skype and omnipresent WiFi. He ca

My little brother did not have a cellphone for most of his just-completed Freshman year of college. He had an iPod Touch with Skype and omnipresent WiFi. He called me (on my cellphone no-less!) while walking to class. The iPod Touch already does this, even without FaceTime.