Red Sky and others predict that broadband technology will create a revolution in the ad business.

I started in the ad business and the television business.

Not one to shy from the spotlight, he has long been ready to assume a more prominent role in the ad business.

Everything google does is to further its ad business, since that's their primary revenue stream.

"And our idea isn't to get into the ad business."

There are plenty of people in the ad business who do say otherwise.

But more important than the cold numbers is Google's insistence that it handle the ad business for video.

Only when ad business is done does the talk turn to show business.

But the ad business, he noted, has become more competitive.

Which pieces of the ad business should be saved for posterity?