Why do they call it Silicon Valley?

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Tags

1. #popularity
2. #silicon
3. #started
4. #computer
5. #gaining
6. #their
7. #electronic
8. #business
9. #fransisco
10. #companies
11. #based
12. #valley
13. #constituent
14. #semiconductor
15. #which
16. #newpaper
17. #technology