In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analyst David Hanson is joined by banking sector contributor John Maxfield to search Twitter for some hidden insights. David and John look at Square's new initiative and tell investors if MasterCard (NYSE:MA), Visa (NYSE:V), or PayPal should be scared.

David Hanson and John Maxfield have no position in any stocks mentioned. The Motley Fool recommends and owns shares of eBay, MasterCard, and Visa. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.