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Called "Nearby Friends," the optional tool will only be available to people who choose to turn it on. The feature uses your smartphone's GPS system to tell your Facebook friends you are nearby, provided they have the feature turned on. Rather than share your exact location, it will only show that you are nearby, say, within half a mile.
If you like, you can manually share a more precise location with a specific friend you'd like to meet up with. Friends can see where you're located in a particular park, airport or city block. By default, your exact location will only be shared for an hour, although you can change this.
The Nearby Friends feature will be turned off by default, so people shouldn't expect to broadcast their location unknowingly to their Facebook friends and acquaintances. It also won't be available to users under 18, said Andrea Vaccari, product manager at Facebook who has been working on Nearby Friends for the past two years. He says the tool "makes it easy to join your friends in the real world." If you want to.
The feature has a lot of built-in precautions. Facebook, whose motto has long been "move fast and break things,'' is trying a different approach with Nearby Friends as it tries to avoid privacy fiascos that often bubble up when it makes changes to its service. The new motto, "ship love," is evident in the deliberate, cautious rollout of Nearby Friends, says Jules Polonetsky, director of the Future of Privacy Forum, an industry-backed think tank in Washington who's advised Facebook on privacy issues — including the latest feature.
He thinks Facebook is showing "a deeper appreciation that with a billion users, any change needs to be implemented in a way that doesn't surprise the audience." Especially when it comes to privacy, especially when it comes to location-sharing.
"Once you start bringing this to a mass audience, you need to be cautious," Polonetsky said. "So inadvertent oversharing is not possible."
Of course, all the safeguards and slow rollout mean that most users won't have the feature available right away on Thursday but rather in the coming weeks and months. Initially it will go to people who are likely to appreciate it, Vaccari says, such as people who have "checked in" to various restaurants, bars or other locations using Facebook.
Unlike with its Messenger app, Facebook isn't forcing people to use Nearby Friends, so there is a possibility that it won't catch on widely. Vaccari, who joined Facebook when the company acquired Glancee, his startup for meeting nearby people who share your friends and interests, sounds hopefully optimistic that they will. Facebook's employees have been testing out Nearby Friends since it's been in development, and Vaccari cites examples of Facebook-assisted serendipity, like when two people landed at the airport at the same time from different flights, saw that they did through Nearby Friends and shared an Uber ride home together. Then there was the time two were out shopping alone in San Francisco and joined forces after seeing that their co-worker was nearby.
Nearby Friends, Vaccari says, is not really for the five to 10 close friends you have, the ones you feel comfortable texting or calling up to hang out. For these people, you "don't need a product," he says. But for the other 20, 30 or more, the ones you enjoy spending time with but wouldn't necessarily call, Nearby Friends may provide the extra push.
Nearby Friends launches amid the growing popularity of location-based mobile dating apps such as Tinder and Hinge. But unlike those apps, Facebook's feature will only let you meet up with people you are already friends with. Users who sign up will be shown a short tutorial on how the feature works. In addition to friends who are in close proximity, users can also see which of their friends are traveling, and in general which friends are using the feature even if they are not nearby.
For example, users in New York would see their nearby friends within half a mile, and below that see friends who are "near" San Francisco or Los Angeles. Then, if the New Yorkers travel to another city, they can meet up with friends there.
Facebook says there are no current advertising plans for Nearby Friends. The company does not currently target ads to users based on their location, only their listed hometown. Of course, this could and will likely change.
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