500 years from now we will likely have strong AI capable of rapidly processing the exabytes of data we produced in this day and age as a unit test for the self-modifying system updates.

That being said, on a timescale as long as 5 centuries, I don't think anyone can even begin to fathom in the slightest with any degree of confidence what anything will be like. I just hope the advances this century might make it a possibility I can exist long enough to see it myself.