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Re:Jack Dorsey: Today Starbucks Signed up for Square by adg on Thursday August 09, 2012 @12:47AM (#4359554)
> Visa charges Square 1.76% + 6 cents

Last I checked, Square had not published the transaction fee they negotiated with Visa.

Re:Jack Dorsey: Today Starbucks Signed up for Square by abalone on Saturday August 11, 2012 @09:08PM (#4371477)
Interchange is a fixed non-negotiable set of rates, published by Visa & Mastercard. See http://usa.visa.com/merchants/operations/interchange_rates.h...