Abstract: A data management system is disclosed wherein at least a portion of the data is generated at a point of sale (POS) and/or retail store server and the data is stored, at least in part, on a blockchain database or other secure database. A digital replica of a point of sale device is configured to receive a product unique identifier, and to receive customer unique identifying data. An adapter is configured to facilitate communication between incompatible entities. A repository is configured to store the product unique identifier and to store the customer unique identifying data associated with a purchase of the product. A query module configured to execute a query of the repository to identify customer unique identifying data for the customers who purchased the recalled product. A communication module is configured to receive a communication regarding a product recall and to send communications regarding a product recall.

Abstract: A wearable vibration device for video games having a video game electrical signal decoder unit. An I.C. circuit, a D.C. battery, and an electrical circuit are located in the decoder unit. The decoder unit has an electrical input terminal for connection to a video game CPU and it has an electrical output terminal for connecting a video game controller thereto. A vibration unit has means for mounting it on a person's hand. Different systems can be utilized to transmit instructions from the decoder unit to the vibration unit, the simplest structure would be electrical wires connecting the two units.