https://www.theverge.com/2015/2/5/7986327/keurigs-attempt-to-drm-its-coffee-cups-totally-backfired https://www.theverge.com/2015/2/5/7986327/keurigs-attempt-to.

https://www.theverge.com/2015/2/5/7986327/keurigs-attempt-to-drm-its-coffee-cups-totally-backfired https://www.theverge.com/2015/2/5/7986327/keurigs-attempt-to... They quickly backpedaled, but that could have just been because it was easy to defeat (you could cut the top off one of their pods and tape it in-front of the sensor). I would not be surprised if they tried RFID next.