+Frequent.
Thanks for the info.
The link confirms that the use of aluminium foil inhibits RFID.
I accept that what ever info is transmitted may not be very compromising.
I had in mind my card being read on trains etc at very close quarters by hidden devices carried by fellow passengers.
Being skimmed while walking past a bank machine is not what I had in mind but I can see it's perfect for Urban Myth culture.
A common Urban Myth in Pattaya is the one whereby the boy from Planet Romeo is a balding 36 year McDonald's fed heavyweight instead of the slim smiling 18 year old stunner in the photo. Never happened of course.