Biology: You can catalog and simplify your workflow by breaking things up and correctly keeping them all organized while doing things the fast way.
Author: You create smart searches, web spiders, pattern recognition (to capture your repetitive sections) and you learn formatting. Additionally, the text editor skills are very nice for some types of writing.
Automotive/Racing: Calculating gear ratios? Analyzing race data? Optimizing pit stops? Not everyone is a formula one racer.
Small Businesses: Automated Scheduling of Clerks/floorpeople, inventory managment, loss detection.
Fashion: Modeling (no pun intended) cloth usage by shape cuts, number of seams required, etc.