To paraphrase Visa founder Dee Hock, how many of you know Visa? Great, all of you. Now, how many of you know how it started? Or, for that matter, who started it? Who runs and governs it? Where is it headquartered? What’s its business model? For the 11th largest market cap company in the world, Visa’s history and strategy is almost shockingly unknown. A huge portion of the world’s population uses…