What is do grocery stores scan ids?

Grocery stores may scan IDs to verify age for the sale of age-restricted products such as alcohol, tobacco, and some medications. Some stores may also scan IDs for the purpose of tracking customer purchases and behavior, to offer targeted marketing and promotions. The scanning of IDs also helps to prevent fraudulent activity and to ensure compliance with local and state laws. However, many stores have policies and procedures in place to protect customer privacy and to ensure that scanned information is not shared with any third parties.