It's exciting to anticipate the next tweet from Arthur once UP reaches $100 million. We can be sure that it will be an entertaining one, as he has already shown us his enthusiasm for the company's success with his previous tweets. Based on his past comments, we can expect him to use words such as "UP is not an investment" to emphasize the point that investing in a company should not be done lightly. He may also emphasize the importance of doing research before investing, as well as the importance of having a long-term outlook when it comes to investing. Ultimately, we can be sure that Arthur's next tweet will be both informative and entertaining.