2014 – Mobile Shift Challenges Billers To Keep Up | PYMNTS.com by | Mar 5, 2014 | News http://www.pymnts.com/briefing-room/mobile/mobile-payments/2014/mobile-shift-challenged-billers-to-keep-up/?utm_source=March+5%2C+2014+-&utm_campaign=US+NL+March+5%2C+2014&utm_medium=email Usable News.