The document explores the potential disruptive changes in the U.S. payments ecosystem due to the emergence of 'ecity' networks in 2016, emphasizing the contrast between disruptive and top-down changes in payments innovation. It outlines how mobile payments and municipal mandates can redefine the landscape, allowing for new payment mechanisms like parking minutes and instant transactions through cloud technology. Key developments anticipated include enhanced interoperability, regulatory oversight, and shifts in consumer and merchant interactions with payment networks.