If Josh Olson, technology analyst for Edward Jones, were one of the estimated 10,000 IBM (NYSE: IBM) employees at Research Triangle Park, he would have “certainly” found Wednesday’s third quarter earnings report demoralizing as revenue dropped 4 percent to $23.7 billion. Olson, taking a timeout between tech earnings calls, says he was disappointed with Big Blue’s third quarter performance and offered three takeaways: 1. Emerging market weakness “That was, I think, a bit of a surprise in…