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For instance, the first presentation might be of four cards, each with a number on one side and a colour on the other.
ECONOMIST: Psychopathy
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Fantasy Rivals changes things up in this area a bit, by only allowing an opponent to make decisions based on two of the four cards involved in each game at any given time.
FORBES: Fantasy Rivals: A Worthy Successor to Urban Rivals
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Glyph competitor Wallaby is currently betting on the in-between time, though, from what we have now, with the average credit cardholder owning between three and four cards in a physical wallet, to the vision of the future where everyone just uses their smartphones to make purchases.
FORBES: Check In to Maximized Credit Card Rewards With Glyph