New Fico credit score rules.

Since the model is a complete secret, here at Credit Line we do not know what is going to happen to your credit score and how it is going to be affected. However, we do have some information from the Fair Isaac Corporation:
1) Authorized Users are no longer going to be counted in your FICO Score.
2) Length of credit history is not going to play as large a role as it does now.
3) Payment history is going to be weighted more than it is now.
4) Right now, FICO divides the population into 10 segments and applies a different formula to each segment. People without serious credit issues fall into 8 segments, and those with serious issues fall into the remaining 2 segments. In September, this is going to change to 12 segments, with 8 segments for good credit history, and 4 for bad credit history.
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They are saying you cannot piggy back to better credit now
Seldom used credit help technique where one person is assigned an "authorized user" on anothers credit card. They new person gets instant good credit of the pig's past good credit.

And really they should do this. One should not get good credit for doing nothing.

Affects very few people. Mostly children and such. But has been abused.

Do you have any authorized users on any of your credit cards?
If there were, then this would affect them.