Brand MarketingIQ News: DeadlineBy Adweek Staff |February 9, 1998ShareBy Adweek Staff |February 9, 1998Share AOL.com Slipping? The latest report from Relevant Knowledge, Atlanta, has revealed top-ranking sites among users 12+ in January were, in this order: Yahoo, Netscape, Microsoft, Excite and Infoseek. For the first time since RK began tracking eyeballs in September, America Online’s portal to the Web, AOL.com, fell off the top five, to No. 6. IAB Reassigns Affairs The Internet Advertising Bureau, New York, has dismissed public relations agency Edelman Worldwide, New York, which had been coordinating the organization’s administrative affairs since its launch in 1996. Instead, they will be handled by media consultant Frank Dudley, who has been named administrative director. New Chief at SV Poppe Thelton McMillian has been named general manager of Poppe Tyson’s Silicon Valley office, Mountain View, Calif. He succeeds Kathryn Lewis, who will head Poppe parent Bozell Worldwide’s Silicon Valley office. McMillian had been director of client services at Poppe. Going Once, Twice On the heels of the demise of online auctioneer Adbot, Chicago, a new San Francisco-based company called Ad Auction plans to launch. Backed by Imagine Publishing, its first bidding war is set for Feb. 19. Agencies such as TN Technologies will participate. Adweek Adweek