I'm working on a side project (kind of on the backburner) JS library to drive progress bars based on perceptual tricks like these, and using estimates instead o

I'm working on a side project (kind of on the backburner) JS library to drive progress bars based on perceptual tricks like these, and using estimates instead of actual progress monitoring (linear regression will be used to adjust the estimates over time), and this is certainly good data to have for that.