Do you think fears about geotagged photographs are overblown?

Well, maybe a tweet made today by my friend, Professor Alan Woodward of the University of Surrey, will change your opinion.

A sad sign of our time pic.twitter.com/YibohM1ktW

— Alan Woodward (@ProfWoodward) May 5, 2014

Geotagging is where a photograph has invisibly embedded inside it information about where in the world the photograph was taken.

By “where in the world,” I don’t mean the country, or even the city. I mean, the precise GPS co-ordinates of where your iPhone or iPad was when the photograph was snapped.

The information is stored inside a photo as Exif data, alongside all sorts of other details collected about the picture you have taken—including the make and model of your camera, its shutter speed, whether you used a flash, and the date and time.

 

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