Work and Let Live?

This is taking mixed use development in a differnt direction: The Seattle Times discusses the insertion of condos and apartments within office buildings. In a number of cities, hotels and condos have blended well, as have condos over ground floor retail, work/live and or small businesses, but putting office and residential under one roof - without clear boundaries - is problematic, according to a commercial real estate broker:

"If you're an office guy, you don't want to be riding up an elevator with some sweaty person who just worked out."