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Re:Mastercard Should Stop Selling Our Data by lxgr on Sunday October 15, 2023 @09:18PM (#37894953)
It's the company that now owns Diners Club (and is better known under that name in many countries other than the US), who in turn invented credit cards way back :)
Re:Mastercard Should Stop Selling Our Data by wayfinder on Monday October 16, 2023 @02:39AM (#37896517)
They did not invent credit cards. Diners Club was a charge card. They did not invent that either. American Airlines had their own charge card a few decades before.

They did start the first payment card that wasn’t linked to a specific company (i.e. the American Airlines card).

Re:Mastercard Should Stop Selling Our Data by lxgr on Monday October 16, 2023 @07:30PM (#37908097)
The invention was having a card accepted across a wide range of merchants (all under different ownership).

Store accounts/cards have indeed been around significantly longer.

The distinction between a credit and a charge card is not that relevant in that context, in my view: For both, you spend an issuer’s money at unaffiliated merchants and pay the issuer back later.