Who invented messenger?

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Tags

1. #really
2. #according
3. #verge
4. #asking
5. #everyone
6. #explained
7. #during
8. #never
9. #community
10. #decided
11. #thursday
12. #messenger
13. #zuckerberg
14. #ellis
15. #answer
16. #install
17. #finally
18. #facebook
19. #hamburger