We used to tests servers before deploying them to customers and for that we ran intensive CPU software for days.

I told my direct manager to mine bitcoin for fun. But he being a nerd for UFOs proposed to use Seti@Home.

This was 2009, months after the official launch.

We had extremely expensive servers with multi-cpu setups continuously running. We could have become easily one of the top miners nodes in the world back then. But instead we helped to proof the lack of alien communication towards the earth.