Warren Buffet's genius idea is to have his insurance companies producing steady flow of incoming cash in both good and bad times for him to invest. He has alwa

Warren Buffet's genius idea is to have his insurance companies producing steady flow of incoming cash in both good and bad times for him to invest. He has always cash coming in. Berkshire Hathaway has cut banks and finance sector and their margins out from Buffets investing scheme. MS, Apple and Google are in different situation. They want to hold cash to protect and grow their network externalities. It's zero sum game in long term.