These are a few of my faaaavorite things Cautiously optimistic!  Lotsa stuff has promised to do this and not-quite-done-it, but hey, nothing happens until it does. Kinda kooky how mature this tech is getting  Ah, multi-armed bandits.  The old "explore vs exploit" tradeoff.  Or as I like to call it, "I wish I spent more time reading through that Distributed Systems book instead of browsing Reddit, but then again I found that book on Reddit to begin with."