Prices.
Fast Company has an insightful article about the difficult and important art of pricing in modern US business. (*) Computer models are persuading some large retailers to, typically, discount earlier and more often. Sales volume increases, profit per item decreases, and net profit increases.
It’s worth speculating about macroeconomic effects if computer price modeling were to become common. In that more rational pricing pushes goods more efficiently through the economy, the effect could be heightened resistance to economic problems indicative of inefficiency, including inflation and deflation.