For a 25-30 year time frame AMZN will beat S&P and Walmart by several X. AMZN, GOOG are companies which will have a huge impact on how we live. I have put some money into them. They are Berkshire Hathaways of our time.
25-30 years is too long to predict anything when it comes to tech. The Chinese already have their versions of Google and Amazon...and just like the Japanese automakers in the 70's there is nothing to suggest they can't displace either Amazon or Google.
Also what happens tomorrow if you don't have to go anywhere to buy most products, but just fabricate it at home or at the local fab down the road as Neil Gershenfeld predicts.
