After the US stock market on February 2, Amazon announced its fourth-quarter financial report, with revenue of $125.6 billion, exceeding market expectations of $119.7 billion, and operating profit of $6.9 billion, an increase of 76.9% year-on-year. At the same time, Amazon announced that Bezos will step down as CEO of the company and become executive chairman. What do you think of this? Are you optimistic about the future development of Amazon?