> I have found that if I work for four continuous hours, I can deliver not just 4 times but 8 to 16 times that amount of work. I'd be interesting in hearing ho

> I have found that if I work for four continuous hours, I can deliver not just 4 times but 8 to 16 times that amount of work. I'd be interesting in hearing how he measures productivity. Volume is not necessarily equal to quality.