MicroStrategy is a software company based in the United States, MicroStrategy has been gradually accumulating Bitcoin since 2020, so that by the first quarter of 2024, Microstrategy has managed to collect as much as 215k Bitcoin, and changing the company's image and MicroStrategy's stock is also closely related to Bitcoin's price movements. Behind the large amount of Bitcoin ownership, there must be motivation, strategy and careful planning, so in your opinion, why did MicroStrategy buy so much Bitcoin?