London Int'l Advertising Grand Prize The triple Addy-award-winning work US Interactive created for Comedy Central also captured a Grand Prize for Interactive Media, Banners, at the London International Advertising Awards (LIAA). LIAA is the world's fastest growing award event of its kind. In 1998, entries were solicited from around the globe for the competition's 27 interactive media categories. A total of 345 entries were submitted, from which 131 interactive media finalists were selected.