What is special about VOIP is that it's just another thing you can do on the Internet, whereas it is the only thing - or nearly the only thing with the exception of the dial-up modem and fax - that you can do on the public switched telephone network.
Vinton CerfThe purpose behind terrorism is to instill fear in people - the fear that electrical power, for instance, will be taken away or the transportation system will be taken down.
Vinton CerfInformation flow is what the Internet is about. Information sharing is power. If you don't share your ideas, smart people can't do anything about them, and you'll remain anonymous and powerless.
Vinton Cerf