Comment by FullstakBlogger

>I would go further and say that it is impossible. Human interests are contextual and change over time, sometimes in the span of minutes.

Theres a general problem in the tech world where people seem to inexplicably disregard the issue of non-reducibility. The point about the algorithm lacking access to necessary external information is good.

A dictionary app obviously can't predict what word I want to look up without simulating my mind-state. A set of probabilistic state transitions is at least a tangible shadow of typical human mind-states who make those transitions.