I was wondering what the policy is on questions which look like a commercial organisation is asking how to solve a business problem.
It's totally understandable that everyone needs a hand from time to time. Questions about sorting out obscure software, querying research papers, understanding some math are all fine as far as I'm concerned.
However every so often I see questions from people who are clearly employees at some company asking how to do their job. For instance, the following question seems to be asking how to build an online recommender system: