In this week's Fastest Four, Scott's diving into a recent survey about how Americans are approaching their Social Security benefits:

• Why 3 out of 4 Americans understand delayed benefits but only 1 in 10 plan to wait
• The most popular age for claiming Social Security (hint: it's not what you think!)
• Top reasons people are claiming early - including fears about Social Security's future
• The BIGGEST mistake 88% of Americans are making with retirement income planning