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.

At some point, you can't lift this boulder with just your own strength. And if you find that you need to move bigger and bigger boulders up hills, you will need more and more help.

I think imaginative exercises can have a profound impact on the future - what you can imagine can sometimes turn into something you can figure out how to build.

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.

The closer you look at something, the more complex it seems to be.

Written communication is a tremendous help for me, and so when electronic mail was invented in '71, I got very excited about it, thinking well, gee, the deaf community could really use this, or the hard of hearing community as well.

Movie 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.