Oh, I'm sure there's a whole bunch of talk about it. It's one of those Hail Mary ideas that would be easy to market if someone could make it profitable .
I could see it happen for older, not so tall buildings. I just have a hard time seeing someone turn office space in a glass sky scraper into up to code housing. Even ignoring the inherent engineering problems, just figuring out the fire safety for something like that would be maddening.