> Alternatively, it can be erased all at once with a flash of blue light. Once erased, the chip can record a new message or bar code. Wait… what? What's the po

> Alternatively, it can be erased all at once with a flash of blue light. Once erased, the chip can record a new message or bar code. Wait… what? What's the point of this if you can re-write the original message on it after tampering with the chip?