See you in 20 years when things haven't changed as much as you think.
Nowhere is this more true than in medical science. Miracle cures for cancer and limb regrowth have been "just around the corner" since I was first old enough to read.
Artificial intelligence researchers agree less and less even on what it is they're trying to accomplish or create.
Most proponents of the idea that people might one day transfer themselves into computers don't even seem to ask intelligent questions about what people are - and the questions aren't even new ones. Kurzweil in particular often seems driven by father issues rather than imagination, much less science. In fact the prophets of the Singularity behave as if they've noticed nothing about the world except
those facets of technology that fascinate them - least of all economics.