A dot on a map that nobody’s watching
A new survey asked 203 people who can see their location, and why. The most common answer was safety — but it’s a kind of safety that only works if somebody chooses to look.
Open your phone and check. Most people, when they actually count, are surprised by the number.
Researchers at the University of Illinois Urbana-Champaign did exactly that as an experiment. They asked 203 adults, aged 19 to 59, to open their location-sharing apps mid-survey and count the people who could see where they were. Then they asked who those people were, and — the part that makes this study worth reading — why.
The answers were published this week in the Journal of Social and Personal Relationships, and they’re gentler and stranger than the usual conversation about phone tracking.
What they found
The average person was broadcasting their position to nearly four people. But averages hide things, and this one hides the most interesting bit: most respondents shared with only one or two. A few people with long lists pulled the number up. Left to themselves, people drew tight circles.
Romantic partners topped the list, named by over 62 percent. Then friends and siblings, then mothers, fathers, children.
The reasons sorted into four groups. Safety came up most often across the whole survey — peace of mind, being findable in an emergency, a teenager who’s just started driving, an ageing parent a long way away. Practicality came second: has he left work yet, should I put the pasta on, do I need to send a text to ask. A third group was simply casual — people who’d forgotten the app was running, or whose phone had switched it on by default and who’d never had a reason to switch it off. One person kept it on purely because they “find it funny to check each other’s location and send texts about it.”
The fourth group was about the relationship itself. Sharing as a gesture — proof of transparency, a way of saying nothing to hide. A small number described sharing because a partner expected it, or because of an unspoken rule that housemates just know where each other are.
And the motivation shifted depending on who was on the other end. For partners and friends, it was mostly logistics. For family, it was mostly safety.
The line we keep rereading
Tucked into the researchers’ write-up is an observation that has stayed with us all week. The safety this technology provides, they note, is entirely passive. It depends on the other person deciding, at the right moment, to open the app and look.
Which means a great many of us are carrying a small, permanent reassurance that has never once been checked.
There’s nothing wrong with that. A smoke alarm you never need is still worth having. But it’s worth naming what it is and isn’t. A dot on a map is a fact about where a body is. It isn’t a question. It isn’t how are you doing today. The technology has quietly given us a way to feel connected to someone without ever having to ask them anything — and a way to feel watched over by someone who may not be watching.
What the study can’t tell us
The researchers are upfront about their limits, and they matter here.
The sample was largely white, heterosexual and highly educated — and, importantly, everyone in it already used location sharing. Nobody who refuses this technology on principle was in the room. The study also didn’t ask about controlling dynamics between partners, and the team notes that this omission may mean surveillance and coercion are underrepresented in what people reported. Location sharing is not a neutral tool for everyone, and this survey wasn’t designed to find the people for whom it isn’t.
It’s a snapshot, self-reported, of people who already said yes. Read it as a map of one behaviour, not a verdict on it.
Why we’re writing about it
There’s an obvious tension here, and we’d rather point at it than pretend it isn’t there.
Nagi is built the other way round. No name, no email, no name — check-ins stay on your device under an anonymous ID. We designed it so that there is nobody to broadcast to. And here’s a study about people who broadcast constantly, mostly for good reasons, mostly to people who love them.
We don’t think those things are in conflict. What struck us in this research isn’t that sharing is bad. It’s the gap between data existing and somebody noticing. Four people can see where you are, and possibly none of them have looked. That gap is the whole thing.
The four-tap check-in — mood, sleep, energy, a few seconds — closes that gap in a small way, in one direction. It isn’t tracking you and it isn’t telling anyone anything. It’s a record where you are both the person keeping it and the person who reads it back. On a Tuesday in three weeks’ time, you might notice something that a single hard evening would never have shown you.
That’s not a substitute for a person. It never was. If the study says anything to us, it’s that ambient technology is very good at presence and not much good at attention — and attention is mostly what people need. The dot doesn’t ask. Somebody has to.
A small thought to end on
If you’re one of the people who’s been quietly reassured for years by an app nobody has opened, this is probably a nudge to send an actual message. And if you’re the one on the other end — the one who occasionally checks the map to see that someone got home — you already know that looking was never really about the map.
Worth asking out loud once in a while. It costs about the same as a glance.
If you want a private place to start noticing your own patterns, Nagi is on Google Play and the App Store — or in your browser at app.nagiandme.app. The first 15 messages are free. No name, no email. Just you, checking in.
— The Nagi team
Source: The psychology of why people share their smartphone location data with friends and family, PsyPost, 28 August 2026, by Karina Petrova. Underlying study: Ogolsky, B. G., Rivas-Koehl, M., Li, E. Y., Kawas, G., Charvat, E. J., Maniotes, C. R., & Hardesty, J. L., “Near, Far, Wherever You Are: With Whom and Why Do People Use Location Sharing in Relationships”, Journal of Social and Personal Relationships (2026). Cross-sectional online survey, n = 203 adults aged 19–59, all of whom already shared their location with at least one person; open-ended responses manually coded. Stated limitations: sample largely white, heterosexual and highly educated; no data from people who avoid the technology; intimate partner violence was not asked about, which the researchers note may under-represent surveillance and controlling behaviour.
Nagi is a mental health companion, not a medical device, and nothing here is medical advice. If you’re struggling, please reach out to a professional or someone you trust.