| CPC G06Q 30/0643 (2013.01) [G06F 9/451 (2018.02); G06Q 10/087 (2013.01); G06Q 30/0633 (2013.01)] | 20 Claims |

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1. A system comprising:
a button holder including a body having a permanent button and a button mount that receives and retains an interchangeable button, one or more electrical contacts providing electrical power to the interchangeable button, the button holder generating one or more signals based on actuation of the permanent button and a button identification code (button ID) of the interchangeable button.
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