It can be used for identity theft or to answer a security question.

FORBES: Keep the trash talking private

By minimizing the overlap between the two, you also minimize your taxes on that Social Security income (see the answer to the initial question above).

FORBES: The Secret to Getting More From Social Security

The president said the answer to that important strategic question will come from his secretary of defense, his national security adviser, and commanders on the ground in Afghanistan, including Gen.

CNN: Obama: Economy probably won't produce enough jobs until 2010