The latest episode of 'Rule Breaker Investing' had a blast from the past, featuring interviews with well-known individuals from the Motley Fool Radio and NPR show 20 years ago. The show discussed the success stories of individuals from various industries and emphasized the importance of understanding history and influential people. Additionally, the upcoming Instacart IPO and recent DoorDash IPO, as well as the volatility in bitcoin and other cryptocurrencies were discussed, with a reminder to investors about the importance of a diversified portfolio and taking a long-term view.