Millennials and their shopping habits grab many of the headlines — and a significant percentage of advertising is focused on convincing millennials to spend, spend, spend. But the numbers show that Baby Boomers are a huge driving force in the U.S. economy.

How are the Boomers still leading the way and will advertisers figure that out?

Audrey Guskey, Duquesne University associate professor of marketing, talked about advertisers' focus on younger consumers.