| Skype | This is an online service that allows users to
make telephone calls over the Internet. The software is free and there is no
charge to call the computers of other Skype users. Your computer must have a
microphone in order to use Skype. With the addition of a webcam, Skype callers
from computer to computer can also place video calls where they can both see
and talk to each other. Skype also allows you to call landlines and cell phones
for a fee. Skype has other services such as instant messaging and file
transfer.
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