The social process whereby cities grow and societies become more urban. Therefore, the Hobo-density increases and one must carry extra change and a spare can of pepper spray.
"My dear Charles, I do believe that the Hobo-density of Sydney has increased to over nine score per city library."
"Yes, Perkins, what ever happened to that sanctity, that certain prot'eg'e vibe one gets from the warmth of the library air conditioners. Its not as if libraries are there for the common people. Bah! They're for intellectuals, like you and me!"
"Thats Hoboisation for you.."