1.   In a large hotel, consider how much time can be wasted attempting to track people down.

2.   And entertainment companies are hiring technology firms to track people who are illegally trading copyrighted music and movies over the Internet.

3.   And NDP, because it tracks what people have available for consumption, is a truer measure of living standards.

4.   Another measure comes from tracking disabled people who work in addition to receiving Supplemental Security Income under a program meant to encourage employment.

5.   A police officer tells of tracking down people who use computer games to inveigle youngsters into other sorts of games.

6.   Additionally, establishing a more efficient system of tracing guns found at crimes scenes could be useful in tracking people who act as conduits for criminals to obtain weapons.

7.   Agents also will employ new technology in their effort to track people entering and leaving the United States, including attaching electronic tags to travel visas.

8.   But the challenges of tracking people, especially without causing traffic jams at land borders, have hindered the effort.

9.   City officials say they plan to do that, but they have been reluctant in the past to track people who have left the welfare rolls.

10.   Computers are assisting debt collection companies in tracking down people who change their identities in order to obtain new credit.