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Various versions of Square technology | by national museum of american history
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Various versions of Square technology

Square technology was invented by entrepreneur Jack Dorsey and computer science engineer and economist, Jim McKelvey. The idea emerged because McKelvey, who is also a glass artist, was having difficulty accepting large payments for the sale of his artwork. When unable to process credit card payments from his clients, he and Dorsey began working on a portable and inexpensive method of processing debit and credit card sales. They founded Square in 2009 in the United States and its point of sale software is now available worldwide.

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Uploaded on March 4, 2015