Well, if they aren't, the giant, bright yellow: "STORE CLOSING" banner over the entryway is one hell of a good prank!
Sigh, great, now I have doubt. I'll make sure it was a Staples, and I wasn't just fooled by the giant redness of the building. I'll drive by again today before work and confirm it wasn't office depot or some crap. I was sure it was staples though, ah well. Curses....