For the next 19 years, nearly 10,000 people a day will turn 65 years old in the US, according to Pew Research Center. This growing demographic opens up many marketing opportunities.

"Knowing this, along with this audience's discretionary income, we all must think about it on all the brands we work on," says Denise Vitola, SVP and deputy director of the personal care practice at MSLGroup.

She says Baby Boomers are the "wealthiest, best educated, ...