The windows will be triple pane argon filled one way glass windows. Triple pane to offer a barrier. Argon filled to keep the indoor temperature indoors, and one way glass for privacy. If a competitor decided to building a 31 story building across the street, the tenants in that building will not be able to look in on your without having curtains. Basically people on the outside will only see their reflection, while you on the inside will be able to look outside. This means curtains are optional, and this allows for letting the sunlight in. The windows will be from knee height to ceiling, and will open vertically.