What makes other people's groceries so engrossing?
When you think of a collector you might imagine, say, Sir John Soane, Henry Wellcome, Charles Saatchi or Peggy Guggenheim, the fabulously wealthy, amassing their statuary, paintings and penis gourds in order to furnish their Xanadu palaces or display their good taste and fortune for the benefit of the nation. But there are other kinds