Mobile payments start-up Card.io initially started out as a Square competitor, but could never gain any traction and has now been acquired by PayPal....
Merchants are getting paid $7.25B by Visa and MasterCard in an antitrust settlement and are now allowed to place surcharges on credit card payments....
Creating buzz around a mobile payments service is fine, so long as the taglines are not too outrageous. However, "Interchange Zero" crosses the line....