tens of millions of pictures, they put those images together, and then hired online workers on the amazon turkctures into many, many thousands of categories. all of this just leaves me feeling that there are so many different ways of seeing the same thing and as a person, you add some contextual and cultural judgement to that. but the question is can we train a machine to do the same? and i'm afraid that's it for the shortcut of click this week. the full—length version is up on iplayer and it's waiting for you right now. this isjust a quick reminder that you have less than one week left to register for tickets for click live. it's in dundee in scotland this year. and if you can be there on november 19, we would love to see you. the website you need is bbc. co. uk/showsandtours. that's it for now. thanks for watching, and we'll see you soon. i hope you had a chance to enjoy some of the centring on other quite widely during the course of sunday. there's been quite a transformation in the weather from since of the site of the week and in the next few days, it continued in a similar vein thanks to