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  2. International reply coupon - Wikipedia

    en.wikipedia.org/wiki/International_reply_coupon

    An international reply coupon (IRC) is a coupon that can be exchanged for one or more postage stamps representing the minimum postage for an unregistered priority airmail letter sent to another Universal Postal Union (UPU) member country. IRCs are accepted by all UPU member countries. UPU member postal services are obliged to exchange an IRC ...

  3. Universal credit card - Wikipedia

    en.wikipedia.org/wiki/Universal_credit_card

    A Universal Card was a concept in the early 2010s for an electronic card with the same form factor as a magnetic stripe card that was capable of emulating any magnetic stripe data card. Data would be stored either in the card, or on a smart phone that communicates with it. [1] It would allow consumer to consolidating their credit, debit ...

  4. Universal Product Code - Wikipedia

    en.wikipedia.org/wiki/Universal_Product_Code

    A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...

  5. How to spot phishing scams and keep your info safe - AOL

    www.aol.com/lifestyle/protect-yourself-email...

    They say they've noticed suspicious activity or log-in attempts on your account. They claim there’s a problem with your account or your payment information. They say you need to submit certain ...

  6. Universal Payment Identification Code - Wikipedia

    en.wikipedia.org/wiki/Universal_Payment...

    A Universal Payment Identification Code (UPIC) is an identifier (or banking address) for a bank account in the United States used to receive electronic credit payments. [1] A UPIC acts exactly like a US bank account number and protects sensitive banking information. The actual bank account number, including the bank's ABA routing transit number ...

  7. AOL MemberDeals FAQs - AOL Help

    help.aol.com/articles/aol-memberdeals-faqs

    If you have questions about the AOL MemberDeals benefit or need help registering, please call us at 1-800-827-6364. Review eligibility and activation FAQs about your AOL MemberDeals member benefit.

  8. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    Payment card numbers are composed of 8 to 19 digits, [1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [2]: 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.

  9. Coupon collector's problem - Wikipedia

    en.wikipedia.org/wiki/Coupon_collector's_problem

    Coupon collector's problem. In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more ...