In 1935, as the nation was reeling from the Great Depression, President Franklin Delano Roosevelt signed the highly controversial Social Security act into law. In the 80 years since, the plan has grown far more complicated. And what you may not know is that there are a number of decisions you can make that could mean a big difference in how much you end up collecting.

Boston University economics professor Laurence Kotlikoff'snew book, “Get What’s Yours,” details these ins and outs and help you max out your Social Security benefits.