"There's one of our regular customers - interested in military subjects," he said.

"There seem to be plenty of customers interested in him," observed Tarzan.

But the most interested customer wanted to rent - not buy - and was returning for a second showing.

It also will conduct "Internet 101" seminars for interested customers at department stores this fall.

After the changes had been made, a demonstration was given to all of the interested customers in September 1940.

Christie's customers interested in art made since 1970 will, for the first time, have to wait until its contemporary sale on June 3.

E*Trade has been testing its program for the last two months, giving the devices free to 200 interested customers.

The company will also do special orders (3,600-pound minimum), sometimes for customers interested in only the vaguest notions of love.

Additional restrictions apply; interested customers should visit the program web site for more information.

Burn One credits the experience with teaching him how to "sell" music, from a marketing standpoint, to an interested customer.