At the midpoint of the LMS evaluation marathon, I’ve been cooling my heels with an appropriately dressed colleague at the “social media in higher education” professional conference previously mentioned. What’s the difference between a professional conference and an academic/disciplinary conference?  Just about everything, from the business attire dress code to the regularly refreshed glasses of iced water and the bowls of mints and the corporate pens and the sit down lunch and the fairly decent coffee with little pastries and…