I remember reading once that back in the days of medieval guilds it was illegal to advertise which also included saying “hello” to passersby. This engagement wa

I remember reading once that back in the days of medieval guilds it was illegal to advertise which also included saying “hello” to passersby. This engagement was illegal because the casual conversation could lead to a, “Why don’t you come inside to see what we have to offer.” It seems a bit ridiculous but where would you draw the line of what is considered advertisement? looking for source