Here an intro youtube clip discussing how to get your money back from the government.
Larry Kotlikoff discusses Social Security benefits and some techniques on how to get more back.
Note: I am not sure waiting makes sense for everyone if they don't have enough hedge investments against price inflation outside of SS. If a person does, though, it may make sense for a person to employ these techniques and think of the eventual draw-down as the cash part of a portfolio.
BTW, Kotlikoff is very good on the overall debt crisis. I interviewed him about it in November 2013: