Recently, it has been said and read that products that flash the makers' logo in big fonts and repeatedly on their products are facing a grim future. A new generation of influential shoppers seems to have had enough walking around like human billboards - which for certain brands sounds like bad news. But not for the makers of really iconic products. The Hermès Birken bag is easily recognized metres away, but would anyone recognise a Louis Vuitton bag without the LV-logos plastered all over it?