An passive RFID is a filment spun antenna; it gets a impulse charge from actuator scanner releasing its 40kb of data. up to 20ft.
an 'active' one has battery and sensors is already connected to node hubs and WSNs.
Wonder if our touch screen grids could be configured to emit and react to data to brain waves or oue body/touch energy;, other than touch n sight?
ie, we are natural ground full of neurons and vapor
emit...