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How VoIP Works
computer.howstuffworks.com/ip-telephony.htm
VoIP lets you make calls through your computer, sometimes for free. Learn how VoIP works, find reviews of VoIP phones and learn how to make free VoIP calls.
10 Disruptive Technologies You Use Every Day
electronics.howstuffworks.com/everyday-tech/10-disruptive-technologies-you-use-every-day.htm
A disruptive technology is one that's completely changed how we do things. Learn the top 10 disruptive technologies that you use every day.