Add 200 points to your credit score simply by adding years of established credit with perfect payment history to your credit file.
people with good credit can now put you on as a authroized user and then your credit shoots up...
the poeple that use their accounts have little risk, no credit cards or accounts are used... just the name on the account BOOSTs your credit score...
it's called ' piggy back '
it was on the news here -
http://www.foxnews.com/studiob/index.html
