Recently I gave a lightning talk, Introduction to Powershell, at All Girl Hack Night, an Austin gathering of women developers. Here are my slides for it. It introduces some nifty features of Powershell by examining a simple use case.
As a lightning talk, it was supposed to last under 5 minutes, but went over. Because there is so much awesomeness to Powershell, it's hard to know when to stop!