While working at a Big Bank, a new policy was instituted where we had to fill out time sheets. We also had to allocate our "budgeted time" into these timesheets (Regardless of what we actually did).

It ended up being a bin packing problem that no one actually did till I wrote a script to do it for me. This in turn led to some interesting conversations with my manager and the head of Capital Markets and Banking's CFO.

You can read more details about it here: https://twitter.com/alexpotato/status/1296856648435326976