Thank you very much.
Yes, it's been great. Your presentation was quite succinct as well. It was easy to follow, which is great for sometimes highly technical presentations. You talked about the lessons learned approach and now I'm just going to shift it, because we're always talking about what we can do, but presumably, when we move to investing in things, sometimes it's often as important to know what doesn't work. Can you give us some feedback on maybe some things that are commonly tried. I think the temptation every once in a while is to do something instead of nothing, but sometimes something is just completely ineffective.
Are there things going on where we should just not go down that road because we know it's nothing more than a waste of money or completely ineffective?