[Jonty30]

I guess the cost of RFID chips have fallen low enough to do this.

[BobL]

“I guess the cost of RFID chips have fallen low enough to do this.”

quiet...we’re not yet ready to disclose all of the technology that we use.

[TexasGator]

“I guess the cost of RFID chips have fallen low enough to do this.”

Does not use RFID.