"Landep News"
A news report about how data from mobile phones is being used to analyze the movement of people after a major disaster:
According to the report, NTT Docomo’s mobile phones have a “hidden feature” that sends location information to the company every hour. This allows Docomo to track the location of its customers.
Here is a graphic that shows how a large number of Docomo customers were stranded in Tokyo at 3:00AM on March 12th, after the earthquake had forced all major train lines to halt service:
Combined with data about each customer’s home address, Docomo can figure out which evacuation routes would be most crowded. This valuable information could be used to help authorities distribute emergency supplies or deploy extra buses to help people return home.
Docomo says that the data is sorted in a way that protects the exact identity of every customer.
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