What mobile phone data can reveal about you

Image: Rwandans with phones

The mobile phone penetration rate in Rwanda is more than 70 percent. (Credit: Joshua Blumenstock)

Researchers have analyzed data about mobile phone use in Rwanda to figure out how wealthy a phone’s user is – and they say they might be able to do the same kind of analysis for any other country.

The study, published today in the journal Science, applies big-data models to look at much more than income. The Rwandan data, for example, could be massaged to predict which phone users owned a motorcycle or a TV.

Joshua Blumenstock, the study’s lead author and an information scientist at the University of Washington, is now working on a follow-up project to see how easily the computer models can be applied to places beyond Rwanda.

“In every country, we hypothesize that there’s a relationship between how people use their phone and how wealthy they are,” he said in a Science podcast. “The exact nature of that relationship is going to change from one country to another, and it might even change from one year to the next within a country. But fundamentally, you’d think that there are these relationships that exist.”

Get the full story on GeekWire.

About Alan Boyle

Aerospace and science editor for GeekWire, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.
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