How Free Talk Expands Web Uses

Video-breakfast with grandma is only one way users of Skype and other free Internet services are exploiting the technology

Give people unlimited cheap or free phone or voice-over-Internet service and what happens? Not much, according to research by sociologists and anthropologists. People don't tend to increase the number or length of their calls significantly. There is only so much time you can spend talking, after all, and a phone call requires more commitment in terms of attention than, say, an instant messaging session—just try handling multiple phone conversations in parallel.

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