I recently got turned on to Skype a free Internet telephony product that is amazing. Skype uses P2P technology which decentralizes network resources that scale in proportion the number of users.  Such notorious services as Napster and Kazaa popularized P2P technology.

I’ve not used Skype other than with one friend of mine but a co-worker uses it to talk with his brother in Sweden.  My experience has been very favorable, sound quality is as good if not better than standard phones. 

You can even call standard landline phones for a small fee.  Also international calls are possible and are as good as calling computer to computer I’m told.  There are even real phones that work with Skype

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