Cups cost 45 cents rather than 10 cents (because of the magnet latch at the bottom),but can be subsidized by advertising or promotional value.
Systems are only in place at a "handful" of arenas thus far.
This was developed by one guy. In his spare time. In his garage.
Aramark (the people than sell you beer at like every stadium) is excited and will likely license use in the near future.
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