Systems, computer media, and methods for using electromagnetic frequency (EMF) identification (ID) devices for monitoring, collection, analysis, use and tracking of personal data, biometric data, medical data, transaction data, electronic payment data, and location data for one or more end user, pet, livestock, dairy cows, cattle or other animals, including use of unmanned surveillance vehicles, satellites or hand-held devices

This invention describes a method using electromagnetic frequency (EMF) identification (EMFID) tags to gather various types of data from people or animals. The primary purpose, as defined by the claims, is to collect customer data for providing targeted promotions and to track their interactions in real-time. It also includes analyzing social media to generate a sentiment score about brands or products.