Why Mixpanel switched from Erlang to Python
readwriteweb.com
2 threads
Actual link (grrr): http://code.mixpanel.com/2011/08/05/how-and-why-we-switched-...
"However, the team lacked an Erlang expert and the code became difficult to manage over time"
So I guess they had decided to go for Erlang because they had the expert ;)