A bit of me likes to think that, given the extent to which speculative fiction has grappled with questions like these, and given the degree to which the tech in

A bit of me likes to think that, given the extent to which speculative fiction has grappled with questions like these, and given the degree to which the tech industry coincides with speculative fiction's readership, we already have all the answers to said questions. We do, on the other hand, also have many fictional examples of how to abuse this kind of tech. In the end, though, I think it's fair to assume that we have a number of decades before solutions become truly pressing.