Most might not get this joke, I'll have references in the comments.

33 Thomas Street (aka the Long Lines Building) is windowless skyscraper in Manhattan, NYC. Jointly owned by AT&T and the NSA, it was/is often used to listen in to phone calls to make sure no one is secretly plotting anything malicious over the phone. For greater information, I have 2 great videos for you:

1. https://www.youtube.com/watch?v=kF4EUM8CwT4 (The Secret Behind the Huge, Windowless Skyscraper in NYC) -Half as Interesting

2. https://www.youtube.com/watch?v=Koz9iUK0FHI (The NYC Skyscraper Without Windows) -Urbanist: Exploring Cities