It depends. Smaller scale prewar office buildings work pretty well (I live in one). 80's postmodern towers not so much. At least here (downtown Chicago), it's m

It depends. Smaller scale prewar office buildings work pretty well (I live in one). 80's postmodern towers not so much. At least here (downtown Chicago), it's mostly prewar office buildings that are obsolete for modern office use and are being converted to residential and hotel.