In this undated video frame provided by Volkswagen of North America, a segment from a 15-second commercial is shown. TV commercials are shrinking along with attention spans and advertising budgets. The 15-second ad is increasingly common, gradually supplanting the 30-second spot just as it knocked off the full-minute pitch decades ago. (AP Photo/Volkswagen North America)
Read the article: TV commercials shrink to match attention spans
