Launched in August 2012, users can access live events from the NBC Network, including NBCSN via iOS, Android, and Windows smartphones as well as Apple TV, Roku, and Amazon Fire. Users must authenticate through their TV or ISP provider credentials.
The IRS website notes taxpayer identification numbers are used by the agency in the enforcement of tax rules and laws. A social security number can be used as one form of tax ID number. As a business owner you will probably need a tax ID number besides your social security number. A self-employed, sole proprietor with no other employees can file her business taxes using her social security number as a business tax identification number.
Definitions - Government Issued Numbers: EFIN, ERO, ETIN, EIN, ITIN, PTIN, and TIN. Taxpayer Identification Number (TIN) A general term referring to any of the numbers issued by the IRS or Social Security Administration to identify taxpayers. For individual filers, this usually refers to the taxpayer's Social Security Number or ITIN (if the taxpayer does not have an SSN).