Earlier this year I was given a golden opportunity. To deliver a Keynote presentation to kick off a European event for a large multi-country software company. There were 500 people in the audience. It was a big stage and I had 40 minutes to fill. I was the first one up. It was quite scary and beyond my comfort zone, but I still said yes. Despite my trepidation It all went well. The key for me was practice. Here’s what I learnt.