[jonas21]

Google acquired a large Common Lisp codebase when they bought ITA. I doubt they would have chosen Common Lisp if they had started from scratch.

https://en.wikipedia.org/wiki/ITA_Software

[reikonomusha]

But they also chose to not rewrite it, and double down in investing in it.

[fiddlerwoaroof]

They tried to rewrite it, reportedly: https://twitter.com/fare/status/1112477563056779265?s=20

[redis_mlc]

Ironically, Yahoo didn't re-write Viaweb's lisp for a decade either after they bought it. (Ironic because HN.)

But that doesn't make Yahoo a lisp company.