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He's just completed a new work - DVD Dead Drop at New York's Museum of the Moving Image - and so Chris asked him what he was trying to achieve through his art.

But that's not all Chris has been up to - heritage locations and the gaps in between are another topic he has been looking at.

When you think about photographs, sometimes it's very easy to tell where a picture was taken...you might see a picture of Big Ben and you know it's London - the Eiffel Tower, Paris and so on. But what about a random picture from a nondescript part of town? If you exclude obvious things like street names what are the elements of the image that help you visually locate it?

Researchers at Carnegie Mellon University and the Ecol Normale Superieure in Paris have been taking a look at Google's Streetview to see if computers can identify the distinctive visual elements of cities...and one of them has been talking to Chris Vallance - a researcher that is.

Another step toward machines recognising things that humans might have at least subconsciously known for a while there. I wonder how that might fit for culture spotting?

If you're a Web-addicted digital video fan, you'll probably have heard of . It's a group that does video remixing to music and they manage to grab pop culture references and make them into something pretty catchy.

Of course technology plays a big part in how culture can be remixed and all manner of copyright, sharing, portability and performance questions come about with each new advance.

Geoff Gamlen of Eclectic method was in London at the Apple Store recently to do some live video remixing on an iPad. I caught up with Geoff in a park nearby and we talked about his work with .

That's all for now, but I'll be back next week with more Outriders dancing on the frontiers of their digital lifestyles and as usual if you search for Outriders on , and , you can join in along the way.

Until next week!
Jamillah