It's Gates' vision of what  the next 20 years will bring.

It's called The Road Ahead. Ladies and  gentlemen, please welcome Bill Gates. Bill.

I think if I'd known how much time it would take  to write a book, I might not have done a book.

This 1995 book predicts a lot of changes driven by  technology and mostly I got a lot of things right.

What did you get right?

The internet would become more available.

"The global interactive network  will transform our culture  

as dramatically as Gutenberg's  press did the Middle Ages."

You'll have electronic mail, you'll have video  conferencing, so you can work out of your house.

The basic revolution that everything's  connected and how that's changed our world,

that really did come true.

Once you have this small wallet PC, it will  replace almost everything you carry today.

What I called the wallet PC talked about  what's become the miracle of the cell phone.

The pictures of your kids, it will store  thousands and thousands of them for you.

That I got right.

What did you get wrong?

A public kiosk where you can do  all these digital interactions.

"If you aren't carrying a wallet PC, you'll still  have access to the interactive network at kiosks."

From this device we could do video conferencing  with somebody at a public phone booth.

These terminals will be everywhere.

The only kiosk we really have left is the ATM.

Now that's going to go away, too.

What did you leave out?

One thing that's not here at all  is anything about climate change.

In fact, I have a whole book titled  How to Avoid a Climate Disaster

that really goes into the steps we  need to take if we don't act soon.

Looking back, I think we can all say that  the PC industry has come a long ways,

but it's really nothing compared  to what's going to happen here.

The book is called The Road Ahead.