<prompt> Human: Ive tried finding some info online, and its pretty sparse. Just promos of what DCI is, and that its owned by Discover. Does this give me some sort of privilege or anything? thnx  <response>: Diners Club used to be a fifth credit card brand MasterCard, Visa, AMEX, Discover and Diners Club. Diners Club was actually the first one!!!Discover bought Diners Club circa 2004 or so and just merged it. Check out this 1961 board game called the Diners Club Charge Card Game: 