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Your credit score has never been more important than it is today. That's why it is critical you understand some big changes in the way your credit score is calculated. Learn what you'll get hit hard for and what gets ignored under the new rules.

Dear Dolans:

I've heard they are changing how my FICO score is calculated. What do I need to know?

--John

To learn more about the new FICO rules, as well as tips to boost your credit score, visit Dolans.com.