Dave
@_
Credit card encryption hack: Divide the digits embossed on the front of the card by 1 to get the credit card number.
6/24/2011, 9:07:29 AM
Favs: 71
Retweets: 105
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Dave
@_
Credit card encryption hack: Divide the digits embossed on the front of the card by 1 to get the credit card number.
6/24/2011, 9:07:29 AM
Favs: 71
Retweets: 105
link