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Would you like to play a game of "this is impossible." ?
Imagine yourself to be a person from a point in time that lies in the past, and list one thing that you, as a past-dwelling human, would have believed to be impossible to do, but is, as of 2015 C.E., practically feasible, or being done.
Please start in the recent past, and each subsequent poster picks a point in time slightly further back.
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