From the Digital Box Set: This week, we look at one of the newest trends in marketing called Giftvertising. Where marketers surprise their customers with elaborate free gifts, film their reactions and put the resulting video on YouTube, hoping it will go viral. From airlines to banks to retail stores, big brands are embracing the trend. We’ll also look at the psychology behind Giftvertising, why it works, and the pros and cons of employing it. This is an archived episode that aired originally on March 14, 2015.