These kinds of things should be patented and protected by patent pools, not controlled by a big organisation. What a shame.
Also if you're working in a place handling credit cards, couldn't you fake the SIMs and replace the SIM in the card - stealing the original - before handing it back to the customer? The customer would think the card is just broken, not stolen, giving the thief a few days of free use.
These kinds of things should be patented and protected by patent pools, not controlled by a big organisation. What a shame.
Also if you're working in a place handling credit cards, couldn't you fake the SIMs and replace the SIM in the card - stealing the original - before handing it back to the customer? The customer would think the card is just broken, not stolen, giving the thief a few days of free use.