I know most solutions that try to do it are pretty horrible. I didn't say it was trivial but there is a very lucrative market here for someone who successfully

I know most solutions that try to do it are pretty horrible. I didn't say it was trivial but there is a very lucrative market here for someone who successfully balances all these pressures, history over time, current session, N closest peers etc and builds a good recommendation system on it. Until then our only real solution is to create and participate in niche communities like this one.