Why is node js useful?

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1. #distributed
2. #building
3. #platform
4. #applications
5. #efficient
6. #driven
7. #lightweight
8. #perfect
9. #chrome
10. #network
11. #devices
12. #easily
13. #built
14. #intensive
15. #runtime
16. #across
17. #scalable
18. #answers
19. #makes
20. #event
21. #model
22. #blocking
23. #javascript