What is the difference between OpenID and OAuth?

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Tags

1. #authenticating
2. #users
3. #protocol
4. #authenticate
5. #wants
6. #password
7. #least
8. #while
9. #trusts
10. #openid
11. #oauth
12. #authorization
13. #credentials
14. #authentication
15. #delegated
16. #server
17. #another