Knowing where something is can be more valuable than just knowing what it is.
“Johnson Controls Unravels Riddle of Missing Crates,” The Wall Street Journal, April 30, 2016 B1. It’s worth $1-$5 each to keep track of shipping boxes for an auto parts maker. Versus the cost of a bar coded sticker. 830,000 times.
Is there something in your supply chain for which similar treatment would be an improvement?