McDonald's using RFID chips in cups to limit your refills : r/ABoringDystopia

These cups have chips under them to prevent refills : r/mildlyinteresting

Starbucks and McDonald's cooperate to test environmental cups with RFID chips or QR codes in response to plastic restrictions (rfid-life.com)

McDonald's customer sparks massive debate with TikTok that claims you can get 'free refills' on fries: 'No way

Man Reveals Yet Another Reason To Steer Clear of McDonald's Fries - Delishably News

McDonald's and Starbucks piloting reusable smart cups with RFID - RFID LABEL

French fast-food giant opts for RFID tech with reusable tableware

Man Reveals Yet Another Reason To Steer Clear of McDonald's Fries - Delishably News

French fast-food giant opts for RFID tech with reusable tableware

Dissolve the Card, RFID iPhone

EMP RFID chip killer - Does it work?

Man Reveals Yet Another Reason To Steer Clear of McDonald's Fries - Delishably News