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A comment on Jack Dorsey: Today Starbucks Signed up for Square. Parent comment

Re:Jack Dorsey: Today Starbucks Signed up for Square by lincolnq on Wednesday August 08, 2012 @02:45AM (#4354291)
I have heard that Pay With Square causes people to spend more money.
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Re:Jack Dorsey: Today Starbucks Signed up for Square by salman89 on Wednesday August 08, 2012 @02:59AM (#4354324)
Anecdotal, but at a sandwich shop the other day, I tipped $1 when the cashier handed the iPad to me. Not sure if I would have done the same when signing a regular receipt.
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