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"The smartphone data included 21 billion “pings” of devices in November 2016, each recording the location of a given smartphone at a specific time. It was provi
by TrainedMonkey 8y ago
"The smartphone data included 21 billion “pings” of devices in November 2016, each recording the location of a given smartphone at a specific time. It was provided by SafeGraph, a company that collects location data and other information from partners, including developers of mobile applications."
Well that is certainly interesting. This comes out to 70 pings for every smartphone in November. I am assuming dataset they've got is limited to U.S. only, there is a single cell phone per person, and there are 300 million people in U.S. (both are minor underestimations).
Now I am wondering what other information is available for purchase and how it is used.
- cryoshon 8y ago... so you're saying my data was used without my consent, multiple times per day, without any oversight by an IRB board which is standard for any kind of study involving real people. i'm writing my complaint letter right now. i only wish there was an angle for a class action lawsuit.
- emodendroket 8y agoWasn't there just a story about police departments buying this data?
- clairity 8y agoi just happened to be at a salon at ucla a couple weeks ago where keith chen spoke about this research. the data comes from about 30 million phones for which they can reliably get the data, not every phone in the US.