Re: Obviously intelligence is not involved in either betting or boasting.
"It seems it's easily done: only a couple of years ago a Reg writer included a photo in an article in which his credit card details could be read (except of course for those numbers on the back by the signature strip)."
It's for that reason that, when I took and uploaded a picture of my Raspberry Pi with a "credit card" for size comparison, what I actually used was my Costa Coffee Club card; no identity information on the front.