Just wondering if I'm alone in sometimes spotting an obvious and public error and feeling simultaneously horrified for the person responsible and evilly amused. Examples are the odd email you get from retailers with amazing discounts which are quickly followed by others saying "oops, previous email should have read...." or more specifically, Hotel Chocolat this year releasing an advent calendar with none of one number and duplicate of another. You can just imagine the realisation dawing once several thousand are in the printing press 
. Puts my 'bad days at the office' into perspective but can't help that glimmer of amusement