You may have noticed online advertising has taken a seriously direct approach when you're perusing the internet, but many wonder about its staying power and actual value. Mike Smith, vice president at Hearst Magazines Digital Media and the former president of Forbes.com, talks about the enormous impact digital marketing is making, especially targeting individuals consumers in real time. Mike dives into the details with Tim Muma, touching on many points covered in his new book, "Targeted: How Technology is Revolutionizing Advertising and the Way Companies Reach Consumers."