Why is Captcha needed?

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Tags

1. #companies
2. #public
3. #unwanted
4. #gmail
5. #humans
6. #completely
7. #multiple
8. #automatically
9. #submitting
10. #computers
11. #forms
12. #captcha
13. #accounts
14. #apart
15. #acronym
16. #prevent
17. #content
18. #turing
19. #other
20. #google
21. #automated
22. #creating