well, julia koerner has a thought on that, too.technology brings advantages in these aspects where you can have your unique design personalised in your unique colour, maybe with your initials designed into it. also, i think in today's time, do we really need to produce a million pieces where we end up not knowing if we actually will sell those? it is an interesting thought, isn't it? but if 3d printing is to be a sustainable alternative to mass production, if we really want to reap the benefits of this technology, well, we do have to be able to afford it. anyway, that's it from us for this week. thank you very much for watching and we will see you soon. hello. snow has been falling across parts of the uk. it has been causing disruption, some icy conditions as well, and i think the problems will go on into sunday. so met office amber warnings remain in force. those warnings have been covering parts of wales, into the midlands and also northern england. and i think it is northern england that will bear the brunt of the snowfall as we