Cash will no longer exist...

This week's Economist titled, "End of the Cash Era" with dinosaurs on the front cover holds a story on the incredible phenomenon of paper cash to mere electronic transactions. The tools to finally transfer money from one country to another through an SMS is happening as we speak. What does that mean for the poor? Those with relatives abroad will be seeking these mobile devices if they do not have them already and they no longer have to deal with time and transport in order to access much needed funds.