Exactly. It is very hard to make credible predictions for longer period of time, but linear extrapolation normally works for 2 to 5 year scope http://liuliu.me/

Exactly. It is very hard to make credible predictions for longer period of time, but linear extrapolation normally works for 2 to 5 year scope http://liuliu.me/eye/predicting-future-2016/ http://liuliu.me/eye/predicting-future-2016/