"It's a totally untapped market and there is a lot of interest."

They found that listeners under 12 years old represent an untapped market.

This has to increase sales for children, a relatively untapped market.

It sees Africa as the world's last largely untapped market.

But those in the television industry view the region as an untapped green market.

But they consider family cruises with children an important untapped market.

Now, he says, his eye is on a vast, untapped market: the rest of the country.

We're trying to help business to see that it's a tremendous untapped market for them.

At the same time this has opened up new and previously untapped markets for children's books.

"Until recently, organic baby clothing has been an untapped market."