With shiny apps hogging the mobile spotlight these days, one could be forgiven for forgetting about SMS (“Short Message Service” or text messaging).  But although apps often disguise themselves as universally useful, their data and hardware requirements preclude their widespread use in poor countries.  Amongst the world’s poor, SMS is still king.  Given the World Bank’s mandate to serve the exactly that population, and in response to demand from staff, I recently attended a 2-day Frontline SMS training here in DC.