1.   Cookies are small tracking files that a Web site installs on your hard drive.

2.   She had enjoyed the soup at a restaurant in Gatlinburg, Tenn., he said, and he had been unsuccessful tracking down the recipe.

3.   Tracking them are rival meteorologists.

4.   Iraq has been radar tracking U.S. aircraft patrolling the northern and southern no-fly zones since last week, but has not fired on them.