> The second you walk into the store based on your face they can pull up your entire purchase history and contact. They are now crunching that data to improve r

> The second you walk into the store based on your face they can pull up your entire purchase history and contact. They are now crunching that data to improve retail layouts, marketing pitches, etc and there is growing market of selling aggregates of that data across merchants. Super interesting, is there public information about this? Are you are saying they are using customer identity for sample weighting to debias and improve the precision of experiments?