It seems like such an easy and inexpensive (and low-profile) solution, that I recommend them to everyone......RFID blocking sleeves are inexpensive and easy to find. RFID enabled cards are very common in Canada, and I don't feel the need to wait until I've had data robbed to use them. The sleeves are less than a buck each if you buy some on eBay.
When I got my Nexus card from US Homeland Security, it came with it's own RFID blocking sleeve. If DHS thinks they're important, that's good enough for me
