A card is provided comprising an information setting unit configured to output a first signal including unique information of the card, and a bending sensor configured to output a second signal corresponding to a curvature of the card. An information processing apparatus is also provided comprising a card reading unit configured to acquire information from a card a processor, and a memory device. The memory device stores instructions which when executed by the processor, causes the processor to acquire unique information from the card, and acquire curvature information from the card corresponding to a curvature of the card.