On the heels of the massive Twitter IPO, Square is reportedly in talks to go public. With the up-and-coming payments company poised to make noise in the public markets, is this something MasterCard (MA 1.33%) and Visa (V 0.65%) should worry about? In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analysts Matt Koppenheffer and David Hanson discuss Square's business model and why it is not a threat to the credit card network behemoths.

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