Square may be a payments processing company first, but it is rapidly amassing huge amounts of data, which is in itself a valuable commodity…The rules regarding what can be done with this information are in their infancy. For now, we depend largely on what the companies say in their own terms and conditions. But we would be unwise to regard those as permanently binding legally promises. They can change at any time — something that Facebook has demonstrated repeatedly. What Square says now, in other words, might not be what Square does in the future, especially if the company finds itself in dire need of cash.
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