1.   Ambush marketing is such a touchy subject because the costs of an Olympic sponsorship are so high.

2.   Ambush marketing occurs when a non-Olympic sponsor creates the false impression that it is an official sponsor, without paying millions of dollars for the right.

3.   Ambush marketing occurs when companies that did not pay for Olympic sponsorships use ads that make it appear they are connected to the Games.

4.   Ambush marketing, also known as guerrilla marketing, has long plagued the organizers of the marathon, Lange said.

5.   American Express did not change its advertising and does not indulge in ambush marketing, he said.

6.   Ambush marketing occurs when a non-Olympic sponsor gives the false impression that it is a sponsor.

7.   But the Postal Service says the quarrel is not about ambush marketing.

8.   Even in Sydney, the Olympic committee cannot eradicate every incidence of ambush marketing.

9.   Is there anything so American as ambush marketing?

10.   Olympic officials are accusing the U.S. Postal Service of ambush marketing for licensing without permission Olympic-themed stamp art that will be displayed on T-shirts.