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This is Scientific American's 60-second science. I'm Christopher in Talata. Got a minute?

Urban gentrification is thought to happen like this.

Artists move into lower-income neighborhoods looking for cheap gallery and living space.

So they move into these neighborhoods and they make these neighborhoods really pleasant to live in.

They kind of create a nice kind of buzzy scene.

Chenuki Saracinia, a data scientist at the Warwick Business School in the UK.

Next, she says, come the hip cafes and shops.

Well, what happens is, of course, other people are also then attracted to move into these areas.

So the demand for these places increase, the housing prices then go up.

So the story goes, but Saracinia and her colleagues

wanted to see if online data told the same story. So they analyzed four and a half million

photos uploaded to Flickr, from 2004 to 2013. Each of them geotagged somewhere in London.

Then they tallied how many of each neighborhood's photos were tagged

art. And they found that neighborhoods with a higher proportion of art tagged photos actually did see a

higher spike in property prices during the study period. The results are in the journal Royal Society

Open Science. Forest Square and Twitter data can also track gentrification trends, as another recent study

showed.

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