The Enduring Power of Informericials

In the fall of 1984, Herbalife aired the first infomercial on USA Network. Twenty years later, spray-on hair, grills named after boxers, and food dehydrators are part of the national conversation — if not actually in American cupboards. What is the lasting impact of infomercials? Hear NPR's Scott Simon and Adweek magazine's Barbara Lippert.