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A comment on Bump (YC S09) has been acquired by Google. Parent comment

Re:Bump (YC S09) has been acquired by Google by shawn-butler on Monday September 16, 2013 @03:39PM (#6395375)
I'm fairly certain Bump doesn't even use NFC. I'm not even sure what this comment has to do with the story. Am I way off?

They (were?) using a patented algorithm working on accelerometer signals to figure out which devices were being "bumped" together server-side.

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Re:Bump (YC S09) has been acquired by Google by xerophtye on Tuesday September 17, 2013 @05:17AM (#6398338)
Yeah I am confused too after seeing all the discussion on NFC. I thought Bump uses the accelerometer (and thus works on the iphone too). SO where did NFC come in all of this?
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