# So am I the only guy on the planet that uses the wave function on his credit card?

**URL:** <https://boards.straightdope.com/t/so-am-i-the-only-guy-on-the-planet-that-uses-the-wave-function-on-his-credit-card/754473>\
**Category:** In My Humble Opinion\
**Created:** [May 10, 2016, 10:11am UTC](https://boards.straightdope.com/t/so-am-i-the-only-guy-on-the-planet-that-uses-the-wave-function-on-his-credit-card/754473 "2016-05-10T10:11:14Z")\
**Posts on this page:** 1\
**Page:** 3

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**Author:** ![pulykamell](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/pulykamell/32/3166_2.png) [@pulykamell](https://boards.straightdope.com/u/pulykamell)\
**Post date:** [May 12, 2016, 6:49pm UTC](https://boards.straightdope.com/t/so-am-i-the-only-guy-on-the-planet-that-uses-the-wave-function-on-his-credit-card/754473/41 "2016-05-12T18:49:17Z")

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Wow. I actually have never heard of these cards, and I have something like five or six credit and debit cards. Never seen anyone use it or even talk about it. I’d be as surprised as the cashier.

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