Money moving easily and instantly between accounts \u2013 and P2P as a bellwether for expectations of what FIs can and should do? Fiserv\u2019s Derek Swords, EVP of product management, electronic payments, tells Karen Webster in a podcast that innovation plus trust can pay dividends for firms willing to do a \u201cfast follow\u201d onto consumer to consumer transactions, with Zelle\u2019s heady growth as a model.