This sounds like a scene from the movie Minority Report starring Tom Cruise. Unfortunately, it is fact, not fiction.
Facebook has begun a roll-out of Place Tips – a system allowing businesses to send updates to a person’s smartphone when they are nearby. Once a business, such as a coffee shop or restaurant or store, sets up a beacon, the device can detect when a Facebook user is within a set distance. The beacon can then send “fun, useful and relevant” information into the user’s News Feed.
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