look personally, I hope in 7 years we have a 'perfect' answer. One that makes all of us happy.
Really, I am not concerned - I actually have a lot of faith in technology the rate that knowledge and technology will be tearing along at in 20 years would be hard to believe if we saw it now. And, at a guess manufacturing will be light years ahead of where it is now.
time for a drink, it's been a long day watching shares go down, solving ebola and fixing world energy - a bloke needs a drink.
