The question posed in the tweet by WorldHashflags is how does it work? From the two answers given, it appears that the person who asked the question is looking for an explanation of the hashtag feature on Twitter. The first answer given is a simple acknowledgement of the question, while the second answer provides a link to a tweet by Tezorian which gives a more detailed explanation of the hashtag feature.
Essentially, hashtags are used to categorize tweets and make them easier to find. By using a hashtag, users can add their tweet to a larger conversation on a particular topic. Additionally, hashtags can be used to track trends and conversations related to a certain topic. By clicking on a hashtag, users can see all the tweets related to that topic.
In conclusion, hashtags are a useful tool for categorizing and organizing tweets on Twitter. They make it easier for users to find tweets related to a particular topic and to track conversations and trends.