On any given day, about 150 staffers are stationed around Tiffany & Co.’s Manhattan flagship, touting the jewellery brand’s “Bird on a Rock” brooches, “Lock” bangles and bone china in trademark blue.
At the behest of shoppers browsing the 10 floors of the luxury maison, these “client advisors,” as the brand calls them, can answer nearly any question about the 40-plus pieces of fine art adorning the walls, and architectural…