SACRAMENTO, Calif., June 23, 2021 /PRNewswire/ — Specialty retail stores have used foot scanners for a while. In recent years, the scanner has morphed into a mobile app. In both versions, the scanner addressed a niche segment of footwear buyers who either go to stores or have the patience to download an app for buying a pair of shoes. Research shows that only 2-3% of online customers download an app to scan their feet.