I broke one of my rules of speaking at conferences this week, and I am annoyed with myself about it. I ended up sitting on a panel with three other male speakers, chaired by another man. The most annoying part was that this could have been avoided had I paid more attention to the agenda earlier (i.e. before the actual day of the event). As it was, I turned up at the event, knowing that I was speaking and what I was speaking about (although, okay, I wrote my slides on the train on the way ther...