This time of year is particularly bad for TV ads that make sweeping generalisations based on gender. Oh, it's Christmas! Women must SHOP! Men must FIND IT DIFFICULT TO SHOP! GUYS, we know you find it impossible to walk into Boots and choose the right perfume / moisturiser / bubble bath with having your hand held. WIMMINS, you need to start dropping big hints about diamonds right now if you want him to put a ring on it by new years...