After slamming Bitcoin at last year's shareholder meeting, Warren Buffett said again this year, "I am not going to buy Bitcoin." Warren Buffett gave the example that if he were to acquire 1% of all farms or 1% of all apartments in the United States for a hypothetical price of $25 billion, he would make the sale. But if someone were to sell him all the Bitcoins for $25, he would not buy them. Buffett explained that farms and apartments are productive, they have output and rent, while Bitc...