On phase two of my UX/UI testing of all US EMV/NFC devices. Some devices "unreleased" officially.
Sadly ALL have big usability issues 
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@BrianRoemmele PSA to all our friends: Don't shop bricks and mortar this holiday season. Checkout lines promise to be painful. -
@maxrogo Mark, Look at the sense of satisfaction in the eyes of these fine folks.pic.twitter.com/g22tm0n6f3
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