Next month? Scratch and sniff pop-ups

Half the ads and many of the photos in the Sports Illustrated Kids November issue are in 3-D, demonstrating that gimmicks sometimes work. According to an article in Mediaweek, the number of ad pages for the issue increased 26%. Yet whether the stunt delivers a longterm benefit for SI Kids remains to be seen. In general, kids' magazines have fought a tough battle for ad pages as packaged foods,