I am at Columbia University in New York City for almost a week at the Age Boom Academy, a look at aging trends and issues. There are journalists, writers and even a documentary filmmaker. It's been fascinating already and just a few hours into it. Linda Fried, dean of the Mailman School of Public Health, pointed out that the expected lifespan has increased more than 30 years in just 100 years. Born 100 years ago, the average person could expect 47 years of life. Now it's 80. Her question to all of us: What will you do with the extra 30 years?