Sounds a bit like what Tor browser bundle does - they try to make all the browsers look the same to websites, so for example the website won’t know your language preferences or screen size.
Embedded RFID? How is it like living with one of those in you? Deviant talks about how convenient they can be for cloning things like your hotel room key.
“Tor browser bundle” is the version of Firefox that doesn’t reveal browsing data to the local network.