Profit swarming

We think we have free will when we walk into a store and decide whether to purchase something. But en masse, we have very predictable responses to prices.

We’re likely to notice price decreases more than price increases.

Price-optimization software analyses the probability of a sale and is changing what we are paying for products.

Although usually small increases, one vendor’s software has recommended raising prices about 80 percent of the time. [story]