There are various use cases example:
1. Cybersecurity: Someone who have a very good knowledge on cyber-security and want to share those knowledge with others can create a profile and share small posts on various cybersecurity topics.
2. Interview questions: Someone who want to share Big Tech Companies interview questions and answers, they can also create a profile here and share it.
3. Science facts: Someone who want to share science facts can also create a profile and share it.
Anything which can be useful for other users can be shared here.