Abstract: Systems and methods for implementing actions on activity data acquired during a POS function are disclosed. According to an aspect of the present disclosure, a method includes receiving, by one or more processors, activity data acquired by a wearable device worn by a user during a POS function. The method also includes analyzing, by the processor(s), the activity data in comparison to a stored model of user activity during the POS function. Further, the method includes executing an action based on the analysis of the activity data.

Abstract: A system for using one or more criteria in order to calculate a wait-time in a business establishment, the system comprising: one or more checkout lanes located at the business establishment; a display screen positioned at each of the one or more checkout lanes; a bar code reading station; a light switch; a personal shopping assistant device utilized by each customer for receiving and transmitting first information; a central processing station for collecting second information from each display screen, bar code reading station, personal shopping assistant device, and light switch of each of the one or more checkout lanes; wherein the central processing station calculates an estimated wait time for each of the one or more checkout lanes based on the information collected and farther displays the estimated wait time of each of the one or more checkout lanes on the respective display screen.