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Square, Inc. is a publicly-traded company that operates in the technology services industry. The company markets several software (Square, Cash App) and hardware payments products, including Square Register and Square Reader. Its register service is a full point of sale with tools for every part of running a business, from accepting credit cards and tracking sales and inventory to small-business financing. Square, Inc. was founded in 2009 by Jack Dorsey and Jim McKelvey. Square, Inc. headquarters are located in San Francisco, California. Square, Inc. was formerly known as Seashell, Inc.