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Re:Paypal Adds Innovative ‘Bump’ To Mobile Payment Suite by muratmutlu on Wednesday March 31, 2010 @12:44PM (#1232293)
I think the smart thing about it is the workaround it provides for phones that don't have NFC functionality. NFC penetration is going to be way behind accelerometers for a while yet. Could be a good opportunity for mid-range/low-end handsets too.

Use cases - hmmm. Maybe the security of Paypal when buying things off Gumtree, a used car etc could be the benefit.

Re:Paypal Adds Innovative ‘Bump’ To Mobile Payment Suite by joe_bleau on Wednesday March 31, 2010 @01:46PM (#1232501)
Having been around long enough to remember when nearly every PDA supported IrDA, I'd agree that the whole bump thingy seems like one really complicated (but very clever!) workaround.
Re:Paypal Adds Innovative ‘Bump’ To Mobile Payment Suite by jared314 on Wednesday March 31, 2010 @03:43PM (#1232831)
I miss the promise of IrDA.