When I told a friend I was making phone calls over the Internet he chuckled urbanely, sat me down in a comfy chair and gently explained that no, you get the Internet over your phone, not the other way round, and for God's sake, would I please try to pull myself together?
He was wrong, of course. Internet phone service is very real, and newfangled as it sounds, it has one very old-fashioned American virtue: it's cheap.
It's not even that newfangled. Companies like Net2phone and DialPad have been selling Internet phone service for years. But it hasn't caught...
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