American Express Co. and Marriott International are teaming up for a promotion surrounding the NCAA's Final Four college basketball competition. From now through March 7, Marriott customers paying with an AmEx card are automatically entered in a sweepstakes to win prizes including several expenses-paid trips and tickets to attend the NCAA men's or women's Final Four events. Print and radio advertising supports; Diamond Promotion Group, New York, handles.
Association of Promotion Marketing Agencies Worldwide holds its spring conference March 21 to 25 in Buenos Aires. Information: (212) 325-3911.
Promotion Marketing Association is the new name of the Promotion Marketing Association of America. Its annual Update '98 conference will be March 3 and 4 in Chicago, where winners of the annual Reggie promotion competition will be named. Information: (212) 420-1100.