This white paper examines the development of a personalized digital last and the impact on the role of footwear technicians. As the personalized digital last becomes the basis of future footwear production@ the role of footwear technicians may expand to include a broader definition of fit@ maintaining libraries of different lasts@ and maintaining quality safeguards for mass customized of footwear. Though this paper focuses on women??s footwear@ the issue of fit is universal for men@ women@ and children. The techniques described in this paper@ can be utilized for most footwear segments.