How Amazon, eBay, And Wal-Mart Became 'The Big Three' In Mobile Commerce

Amazon, eBay and Wal-Mart have achieved something remarkable. With millions of apps and websites competing for attention, each has carved out a mass audience on mobile and have become the top three mobile commerce properties in the U.S. How have they succeeded? For the three, mobile isn't just a "sales channel," but a thoughtful means of connecting with customers, to draw them in, earn their loyalty, encourage their sharing of useful data, and nudge them toward more lifetime purchases.  In a...