[ozy]

But that is the rub, isn't it. How some mind (or system) experiences something is the very definition of subjective. How to measure that objectively?

Imagine somebody makes a mind out of machine learning. Passes the turing test and more. It reports to "feel", ie to have qualia. Is it parroting what it hears/reads from humans? Or does it actually have a feeling when you show it an image of a sunset? At what breakpoint do you place your debugger and inspect if it is so?

[thriftwy]

A lot of things which we considered subjective were later found to be measurable. I think we should never stop to find an angle from which we can tackle the consciousness problem.