Buffett missed out on Bitcoin Missed Microsoft, Google, TSLA But he's still the most profitable secondary market trader We need to work hard to keep up with the times And buy our own 'Apple' At the same time, we need to accept that our understanding Might not keep up with the times in the short term, and we might not make money As long as we can avoid the pitfalls and dodge Buffett's 'IBM,' Protecting our principal will bring endless opportunities waiting for us to discover