Why observables are better than promises?

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Tags

1. #called
2. #features
3. #event
4. #observable
5. #preferred
6. #allows
7. #because
8. #provides
9. #matter
10. #handle
11. #multiple
12. #callback
13. #languages
14. #events
15. #doesn
16. #often
17. #where
18. #stream
19. #promise