Abstract: A scanning system for a retail store includes a plurality of electric beacons located in aisles in a retail store A plurality of shopping carts having on board 3D scanning components are configured to scan items along aisles in a retail store, collect and process 3D information and transmit the 3D information to a store server. Each of the plurality of shopping carts include 3D cameras for 3D scanning, sensors for sensing the electric beacons, at least one processor and a communications module for remotely communicating with the store server. The store server is configured to gather the 3D information transmitted from the plurality of shopping carts to generate a 3D model of the retail store.

Abstract: A smart device for a household consumable includes at least one load sensor configured to measure a current load of a household consumable being supported by the smart device and a processor configured to compare the current load to a previously measured load to determine whether to increment one of a plurality of consumption event counters. The processor is configured to periodically transmit data located in the plurality of consumption event counters.

Abstract: An auto replenishment service is in Internet communication with a smart device registered with the auto replenishment service and monitors consumption of consumables by the smart device for an account holder. The auto replenishment service receives consumption events and processes the consumption events to automatically request orders for the consumable on behalf of the account holder from a retail fulfillment service over the Internet.