The abstract is available on the CUFP site [1]. On the Haskell in Industry page [2] of the Haskell wiki, it states that "Facebook uses some Haskell internally f

The abstract is available on the CUFP site [1]. On the Haskell in Industry page [2] of the Haskell wiki, it states that "Facebook uses some Haskell internally for tools. lex-pass [3] is a tool for programmatically manipulating a PHP code base via Haskell." [1]: http://cufp.galois.com/2009/abstracts.html#ChristopherPiroEugeneLetuchy http://cufp.galois.com/2009/abstracts.html#ChristopherPiroEu... [2]: http://www.haskell.org/haskellwiki/Haskell_in_industry http://www.haskell.org/haskellwiki/Haskell_in_industry [3]: http://github.com/facebook/lex-pass http://github.com/facebook/lex-pass