Have them scan your retina. That's the next phase, along with lifelike sex robots and cats that clean their own litter box.
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Self cleaning litterbox. You're dreaming, pal
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You may say that I'm a dreamer... but I'm not the only one...

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I hope someday you'll join us... And the world will be as one...
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Patience, It takes 2+ hours to verify that you are Conan O'brien the leader of the free world!
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Did you try putting your hand in a bag and waving it again?
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Are they letting you keep the groceries just to be rid of you?
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If you form your hand into the shape of a pistol while you're waiving it that does something that activates the payment. Give it a try lmk
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I would just try again tomorrow. You never know.
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In the year 2000 they will have lasers that beam groceries straight into your brain
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If you can't wave your hand over the register, when they offer you paper or plastic you can wave the sack you came in with over the conveyor
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Did you try the other hand?
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I pay for my groceries by waving my iPhone in front of the credit machine. Close enough!
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Amazon has a store in Seattle where you can walk in and grab a product it and pays as you leave the store.http://www.seattletimes.com/business/amazon/amazoncom-unveils-self-driving-brick-and-mortar-convenience-store/ …
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Sorry its still in Beta but maybe soon?
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Just implant an RFID chip

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Where -the hand, I hope
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Sooner than you can think!
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For some people that could still take a while
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