Slightly off-topic, but an interesting example testing out the idea of it taking 10,000 hours to become an expert is http://thedanplan.com/ http://thedanplan.co

Slightly off-topic, but an interesting example testing out the idea of it taking 10,000 hours to become an expert is http://thedanplan.com/ http://thedanplan.com/. Dan is trying to become a professional golfer and as of this month he's about 2,300 hours in.