Tubes would eventually bring mail to every home, but they weren’t of the pneumatic variety. In a predictive piece he wrote for the December 30, 1900 Brooklyn Daily Eagle, U.S. Postmaster General Charles Emory Smith offered that the type of inter-borough pneumatic tubing system utilized in early-1900s New York City might someday be linked to every individual residence. He was right in the big picture, even if he got the details wrong.