The biggest problem of using face book is to create a fine line of difference between colleagues, family and friends. We always have different kind of interaction with all those different set of people.
Person who don’t have social security (SSN) or who are not a US citizen can still open an account in any city in united state. If you are still in process of getting your SSN, you can always reach IRS in toll free number 1-800-829-1040 to obtain your tax payer identification details. This can help you to open an account beforehand. You have to also give them the proof identification like passport and photocopy of your via documents to the bank.