Netflix missed earnings recently, but in my opinion they missed something bigger. They missed building a moat.When ever you stumble upon a castle, you have to start building a moat around it.Netflix’s castle was it’s early entrance to streaming. They recognized it, did interesting deals with media companies to get more content (pay for Friends, The Office, Seinfeld etc.,) and get users adopt the new way. But as the adoption for streaming grew, it was also clear the technology behind streaming...