What companies use Haskell?

Related questions

1. What language is JVM written?
2. Is Haskell difficult?
3. Is Scala tough to learn?
4. Is Haskell a good language?
5. How do I run a Haskell file?
6. What is Haskell used for?
7. What are the advantages of Scala?
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10. Is GHC written in Haskell?

Tags

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2. #several
3. #projects
4. #decade
5. #interesting
6. #facebook
7. #capital
8. #highlights
9. #haskell
10. #example
11. #promoter
12. #twitter
13. #nvidia
14. #links
15. #microsoft
16. #companies
17. #galois
18. #active
19. #barclays
20. #fighting