What does the twitter logo mean?

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Tags

1. #third
2. #company
3. #symbol
4. #replacing
5. #named
6. #letter
7. #unveiled
8. #branding
9. #lowercase
10. #becoming
11. #redesign
12. #revision
13. #simply
14. #right
15. #larry
16. #longer
17. #updated
18. #twitter