It's too late now. YouTube penetrated every single market outside of China and is now unshakeable from network effect It completely paid off already, and Googl

It's too late now. YouTube penetrated every single market outside of China and is now unshakeable from network effect It completely paid off already, and Google is going to be reaping the dividends of the advantage they had in emerging markets for the next 15 years. The real advantage has always been network effect. Purely technological moats don't work in the long term. People catching up was inevitable, but Google was able to cash it into a untouchable worldwide lead, and on top of that they made their researchers happy and recruited others by allowing them to publish, and they don't need to maintain an expensive purely technical lead.