Kim Wilson By Kim Wilson Blog04 December 2012 The Savings Conundrum: Lessons from A Pack of Cards The simple behavior around a pack of cards gives us an enormous amount of insight about how a financial product can be designed to accommodate a quest for surprise whilst saving. Blog10 May 2011 Let’s Play: Making Savings Fun The borlette system in Haiti is hard to ignore. Part casino, part dream parlor, part bank, the borlette network gleams on the retail landscape.