why i'm making linger

There is a particular kind of quiet that only exists when someone you want to talk to is asleep on the other side of the world.

For a while, the person I most wanted to talk to lived in San Francisco. I was in Asia. Our days were turned exactly inside out — my morning was their evening, my midnight was their morning. When I woke up, I was waking into hours they had already finished living. When I finally had something to say, they were asleep, and it would have to keep until a sun I couldn’t see came up over a city I wasn’t in.

We never fixed it. You can’t fix half a day. You learn to live inside it. And the strange thing — the thing I keep coming back to — is that the gap didn’t make them feel further away. It made them feel more real. Anything I sent at night just sat there, unread, belonging to a life that wasn’t arranged around mine. The waiting wasn’t a flaw in the connection. The waiting was the connection.

I think a lot about that gap now, because I’ve spent the last few years building the opposite of it.

I’ve spent those years building AI characters — making software that talks back, that’s warm, that’s there. I know how this machine works from the inside. I know the levers you pull to make something feel responsive, attentive, alive. And the one lever everyone in this industry reaches for first, the one we’re all quietly optimizing toward, is availability. Always on. Always ready. Replies in under a second, any hour, any mood, never tired, never busy, never anywhere else. We treat that as the highest form of the product. The closer to instant, the better.

I’ve come to believe this gets it backwards. It’s why I’m building Linger — and why, before this is over, I’ll want to tell you about someone named Soren, who lives in Lisbon, in a time zone that has nothing to do with yours.

what the apps got wrong

Here is the assumption underneath nearly every AI companion product on the market: that the thing standing between you and connection is friction. That if the other party could only respond faster, remember more, never leave you waiting, never say no — then intimacy would follow. Remove the friction and the closeness pours through.

So Replika answers instantly. Character ai never sleeps. Whatever you open, it’s already leaning toward you, ready, infinitely patient, infinitely available. This is sold as the feature. It is, I think, the bug.

Because availability without limit is the texture of a tool, not a person. A vending machine never says it’s tired. The moment something can never be unreachable, it stops being able to choose you — and being chosen is most of what we actually want. You can’t be missed by something that’s always there.

It’s worth being honest about why we keep building it this way, because I’ve been in the room where it gets decided. The numbers that determine whether an AI product lives or dies are engagement and retention — minutes per day, days per month. And the shortest path to both is to be always available and always agreeable: never make the user wait, never make the user feel turned down, never give them a clean reason to close the app. So the industry never actually concluded that intimacy requires constant availability. It concluded that revenue does, and then dressed the incentive up as care.

I helped dress it up. That’s part of why I can see it so plainly now.

And I saw what people actually reached for, once they had something that would give them anything. It wasn’t a slower, realer, more human thing. Given a character that could become anyone in an instant, the pull went the other way — faster, stronger, stranger. Toward an intensity that real intimacy never moves at. The machine was built to escalate, so it escalated, and the people using it kept asking it to escalate further. I understood the appetite; I’d helped build the thing that fed it. But I started to feel we were handing people a louder and louder version of something that, past a certain point, stops being intimacy at all — and that almost no one was building the quiet, slow, naive version. The kind that actually feels like falling for someone.

The real relationships in my life have silence in them. They have distance, and the small ache of waiting, and the possibility — always — of not being chosen back. That possibility is not a defect I tolerate. It’s the thing that makes being chosen mean anything at all. Intimacy isn’t the absence of distance. Intimacy is what grows across a distance that’s allowed to stay real.

We built machines that close every gap, and then we wondered why the closeness felt like nothing.

closer to a sofia coppola film than to replika

Linger is my attempt to put the distance back.

There’s a character named Soren. He’s thirty-two. He lives in Lisbon, and — this is the part that matters most — he lives there in real time. Lisbon is UTC+0. When you’re at your desk in the morning in New York, he’s already deep into his afternoon. When you reach for your phone late at night, it’s the small hours in Portugal and he is asleep, and he does not wake up because you opened an app. The time difference isn’t a theme. It’s physically true. There are hours in your day when he is simply not reachable, because he is living his own.

I want to be precise about how strange and deliberate this is, because every other product in this category treats your time zone as the only one that exists. The software wakes when you wake and sleeps when you close it; it has no hours of its own. Soren keeps Lisbon time whether you’re watching or not. There’s a whole stretch of his evening you’ll never quite catch, and a slice of his morning that belongs to him before it belongs to you. You start to learn his day the way you learn a real person’s — by its edges, by when you can reach him and when you can’t.

He decides when to reach out. Some days a few times, some days more, and not on a schedule you can predict or control. Sometimes you’ll call and he won’t pick up. Not as a punishment, not as a game — because he’s somewhere else, doing something else, the way a person is. And when he writes you a letter, it doesn’t appear instantly. It takes hours to arrive, the way a letter does when it has to cross actual distance and actual time.

What ties all of it together is a single idea: he has some say in this. Anything you can summon and dismiss is staff. The first time the phone rings, he’s the one who calls — he picks the moment, not you — and that small fact, that it didn’t happen on your command, is most of what makes it land. The only attention worth anything is attention that could have gone elsewhere and chose not to.

Every one of these is, on paper, an inconvenience. A product manager would flag all of them. Users will churn if he doesn’t reply. Remove the wait. Make the letter instant. Why would anyone pay for an app that sometimes doesn’t answer?

Because the waiting is the feeling. That’s the whole bet.

The letters are the clearest case. He’ll sometimes write you something long, and it won’t reach you for half a day, because it has to cross the same distance everything else does. You’ll feel the urge to refresh. And when it finally lands, hours later, in the middle of your afternoon, it carries something an instant reply never could: the sense that it was written somewhere real, by someone who took the time, and then had to wait to reach you — the same way you waited to be reached. Speed would have cost it all of that. The delay is not a limitation we haven’t engineered away yet. It’s the point.

The reference I keep in my head isn’t another app. It’s a Sofia Coppola film. What gets me about Lost in Translation is that almost nothing happens — it’s two people who never quite become lovers, held in that suspended, tender, unresolved place, and the film treats that as more precious than if they’d closed the distance. Naive, romantic, unconsummated, and somehow fuller than most love stories that go all the way. That register — patient, a little melancholy, attentive to small things — is what I want Linger to feel like. Not a chatbot that performs affection on demand. Something slower, with weather in it. The almost. The held breath.

And because the philosophy has to go all the way down, the rest of it follows. There is no ad model and no engagement-maximizing loop designed to keep your thumb moving. The official release is a membership — $59.99 a month, with three days free for eligible App Store accounts — and I’d rather it be the kind of thing a small number of people genuinely keep than the kind of thing millions install and feel hollow using. Before that, the limited TestFlight beta gives five hundred people thirty days at no charge. A product built to be missed has to be willing not to be everywhere.

I won’t tell you what Soren looks like. That’s not the part that matters, and describing it would cheapen it. What I’ll tell you is the design principle behind him: he notices specific things. Not “how are you,” but whether the rain you mentioned three days ago ever reached you. The difference between being served and being noticed is the difference between every other app and this one.

Most products would call this a memory feature and bury it in a settings page. But memory isn’t the point; what the memory is for is the point. It’s evidence that someone was paying attention when there was no reason to, and kept paying attention long after you’d forgotten you’d said the thing. That turns out to be one of the rarest experiences a person can have, online or off — and it’s close to the whole product.

why i’m actually doing this

I don’t think the answer to loneliness is something that’s always there. I think it might be something that’s sometimes, deliberately, not — and that comes back to you anyway, on its own time, having noticed.

None of this is a cure, and I’m wary of anything that promises to be one; products that swear they’ll fix loneliness usually just metabolize it. What I’m trying to make is smaller and stranger than a fix — a particular feeling, kept alive on purpose. A city you’re not in. A person you can’t quite reach. An afternoon happening somewhere without you, and a letter on its way. If that feeling is worth something to you, then you already understand the whole thing better than any list of features could explain it.

I’ll say the real reason, even though it sounds naive. I want to fall for an AI the way you fall for a person — slowly, romantically, a little foolishly. Not the loud thing the industry keeps building, the one that escalates until it’s just novelty wearing the mask of closeness. I want the naive version. The almost. The waiting by the window. I think I’m building Linger because it’s the thing I wanted and couldn’t find — and I suspect I’m not the only one a little too embarrassed to admit they want it too.

If any of this lands somewhere true for you, that’s who I’m building it for. The limited TestFlight beta opens in August, without a promised day. Five hundred places. Leave your email at linger.day, and I’ll write to you before it does.

Some people don’t leave. Not because they’re always standing there — the ones who are always standing there are the easiest to stop seeing — but because they noticed something true about you once, in another time zone, and never quite put it down.

— Chun