Spending on digital advertising will total more than $40 billion this year in the U.S. Advertisers are relying less on banner ads at the top of websites to attract consumers and sell products. More and more, they're placing ads that consumers cannot always tell are ads. Often they look like news articles. The Federal Trade Commission has expressed concern that consumers are being misled. Tomorrow the FTC is bringing together advertisers, publishers and legal experts to discuss the growing use of sponsored content. Diane and her guests talk about transparency in online advertising and ongoing concerns about privacy.