Apple invention uses RFID tags, Apple Watch to track food nutrition

As Apple wades further into health industry waters with products like Apple Watch, the company recently was granted a patent for technology that would allow food vendors to embed nutritional information in device-readable RFID tags. The solution presents a unique and partially automated solution to calorie counting, one of the more laborious aspects of maintaining a healthy lifestyle.Granted by the U.S. Patent and Trademark Office, Apple's U.S. Patent No. 9,640,088 for "Electronic tag transmissions of custom-order nutritional information" describes a method of encoding RFID tags with details regarding one or more food items. The tags then transmit nutritional variables, such as caloric value, fat content, sugar content and more, to a waiting NFC-capable device like iPhone or Apple Watch.