What are search bots?

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Tags

1. #robots
2. #crawlers
3. #wanderers
4. #often
5. #their
6. #google
7. #yahoo
8. #links
9. #pages
10. #databases
11. #engines
12. #locate
13. #build
14. #spiders
15. #known
16. #other
17. #using
18. #sites
19. #tools
20. #search
21. #access