If you're retirement age or nearing your retirement age, you need to be a little more reserved.

It's more a stage than an age. The concept of retirement at age 65 is going out the window. Many people are opting to stop working earlier than later. 65 is an irrelevant limit now.

How long can you broadcast on radio? Is there a mandatory retirement age? Can you go on forever?

This is not the last word in Internet stocks, but it's a heck of a good starting point. All the good ones are in here.

Ultimately the Internet economy will become THE economy. So right now, everybody needs 10 percent, 15 percent, 20 percent of their portfolio in some kind of Internet companies.

I really believed in the stocks in this book -- I own more of these stocks than I've ever owned in any other book I've written.