Advertisements targeted to a particular user walking through a metropolitan center are the stuff of dystopian futures, demonstrated notably by the Tom Cruise movie Minority Report. But that isn’t a dystopian future: the technology is already here. Although it doesn’t rely on rapid identification using your retina, it does use Bluetooth. Developed by Apple, iBeacon was developed to provide location-based information to iOS users, using a device’s proximity to trigger a personalized advertisement or track a user’s movements. Google also created their own versatile Beacons specification, although support for that is limited at present as developers get to grips with it. Unsurprisingly,...
Read the full article: Build a DIY iBeacon with a Raspberry Pi
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