Ads effective even in the midst of multitasking, studies find

Those video ads playing in the corner of your computer screen, in the midst of multitasking, may have more impact than you realize. They may be as effective as ads you're really watching, says one expert. It depends on how you perceive and process media content -- whether your processing 'style' is to focus more on one thing or to take it all in. It also may depend on your mood.