This Is What Apple Will Build When It Finally Collects 1 Billion Credit Card Numbers (AAPL)

Apple CEO Tim Cook's admission on his Q2 2014 earnings call that iTunes is now one of the main drivers of Apple was perhaps the most interesting part of the call. E-commerce — via the music and movies you can get in iTunes, iBooks and the app stores —  is Apple's second-fastest growing business right now, up 11% to $4.6 billion in Q2 2014. It lags only the iPhone in growth. E-commerce is also likely Apple's second-most profitable business segment, too. Put another way, if there was a standa...