Since Sally published her book, Fascinate, she has continued her “Fascination” theme in place of “F-Score”. You still receive your primary, secondary, and dormant Advantage, along with additional information you need to know about how to use them to your advantage. The algorithm has been re-calibrated to more accurately help you to discover what makes your personality fascinating.
http://www.howtofascinate.com/our-research/Fascination-Advantage-Assessment/