Square, beware. Ingenico SA, a maker of in-store payment terminals, just took a controlling stake in ROAM Data, a rival provider of portable payment systems used by small merchants. Just like Square, ROAM’s technology lets smartphones and tablets based on...
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Photograph: Jin Lee/Bloomberg
Ingenico is taking on Square, which offers a credit card reader for smartphones.
Squaring Off With Square: Ingenico Takes Control of Rival ROAM
