Earlier, it was not possible to track sales on the go.

His assignment was to track global sales of material used in nuclear arms.

The association does not track sales of the units, but manufacturers say it is a very significant market.

The hotel industry does not yet track sales at spa bars.

"New technological devices will allow us to track sales almost instantly," he said.

Nowhere have I seen mentioned that it will track gun ownership and sales.

Telecheck said it tracked sales at more than 27,000 stores.

The Times polling department, however, doesn't track sales of boxed sets.

Such information would theoretically allow the United States to track sales and potentially keep weapons out of the wrong hands.

That information, however, can usually be obtained from private appraisal companies that track recent sales.