What is the main purpose of twitter?

Related questions

1. Do hashtags do anything on Facebook?
2. Who currently owns twitter?
3. What is the difference between Twitter and Facebook?
4. Are there alternatives to Facebook?
5. What is a twitter username?
6. Why did my twitter account get locked?
7. Should I use my real name on twitter?
8. Is Twitter better than Facebook?
9. Which is better instagram or twitter?
10. What is twitter best for?

Tags

1. #tweets
2. #people
3. #primary
4. #online
5. #network
6. #businesses
7. #networking
8. #twitter
9. #links
10. #system
11. #areas
12. #hashtags
13. #creating
14. #posting
15. #purposes
16. #account
17. #shortened