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2. Kids Are Handing Out Business Cards for Playdates Now? We ...

   www.aol.com/kids-handing-business-cards-play...

   Many commenters say the idea is “genius,” while others express safety concerns, especially since a card (containing personal info) in the hands of a small child is likely to get lost.

3. AOL Mail

   mail.aol.com/?icid=aol.com-nav

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

4. Coupon - Wikipedia

   en.wikipedia.org/wiki/Coupon

   Believed to be the first coupon ever, this ticket for a free glass of Coca-Cola was first distributed in 1888 to help promote the drink. By 1913, the company had redeemed 8.5 million tickets. [6] Coca-Cola's 1888-issued "free glass of" is the earliest documented coupon. [6] [7] Coupons were mailed to potential customers and placed in magazines ...

5. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_Code

   The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

6. Decoupled debit card - Wikipedia

   en.wikipedia.org/wiki/Decoupled_debit_card

   A decoupled debit card is a debit card in the US that is not issued by and not tied to any particular retail financial institution, such as a bank or credit union.This is based on the ability in the US ACH Network payment system to make an electronic payment from any bank or credit union without needing to use a card issued by the bank or credit union.

7. Card security code - Wikipedia

   en.wikipedia.org/wiki/Card_security_code

   There are several types of security codes and PVV (all generated from DES key in the bank in HSM modules using PAN, expiration date and service code): . The first code, 3 numbers, called CVC1 or CVV1, is encoded on track one and two of the magnetic stripe of the card and used for card present transactions, with signature (second track also contains pin verification value, PVV, but now it is ...