This week was TechEd North America, a conference from Microsoft for technical professionals covering the span of pretty much everything Microsoft produces to support IT professionals and software developers. I was pleased to have been invited to speak on developing Metro style apps in XAML for .NET developers. Like most developer presenters, I planned on showing a lot of demos, using different tools, editors, and varying code samples, URLs, etc. When you are a presenter at a conference you usually don’t have the luxury of sitting in your office and doing things without distractions. You want to get across your...