Not a lot. Some jurisdictions have less complicated regimes, and some have ones as complicated. Ours is one of the more fulsome ones, so there's not an awful lot going on out there. I'm sure...in fact, I have the feeling there's one I'm forgetting that might be a good idea, but I've just forgotten what it is at the moment. Occasionally there are ideas that could be picked up.
On June 10th, 2014. See this statement in context.