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 CerfMovie distribution may very well have migrated fully to digital form by then, making a huge dent in the need to print film and physically distribute content.
Vinton CerfI expect to see a lot of household appliances on the Net by 2010, as well as autos and other mobile devices.
Vinton Cerf