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Stay close to the people you just met.

Write one sentence the day you meet someone, and Siyi takes it from there — the birthday, the favor you promised, the friend you haven’t spoken to since October. It brings each of them up when it matters, so you don’t have to remember to go looking.

A phone showing Siyi. Someone types “met amelia at design club — oakland, product design, bday mar 3” and saves it. Over the following months three notifications arrive on the Today screen: that you and Amelia have gone quiet, that you promised her the housing list on Thursday, and that Amelia turns 21 today.

You wrote one line about Amelia in September. Everything above happened without you opening the app again.

Private, and quiet about it.

There is no feed in Siyi. Nothing you write is ranked, scored, or shown to anyone, and the people you add are never told they are in here. It is your notebook: export the whole thing whenever you like, or delete every line of it, on any day you feel like it.

One person. One year.

None of this is something you have to remember to go and do. You met her once and wrote one sentence. Everything below is what happens after that, in the order it happens.

  1. Next morning

    She’s already in your phone

    Siyi writes your people into your contacts, so when she texts you first you get a name instead of a number you have to guess at.

    A

    Amelia Chen

    mobile
    (415) 555-0142
    notes
    Design club. From Oakland, studying product design. Building a campus thrift map.
  2. Tuesday night

    Say who you saw, in four taps

    Siyi guesses at who you probably ran into and asks once a day. Tapping a name is the whole interaction, and it is how everything else knows when you last spoke.

    Who did you see today?

    LOLuis
    ACAmelia
    AOAmara
    JRJonah
  3. Three weeks in

    A nudge before it gets awkward

    Most friendships go quiet long before they end, and the longer the quiet runs the harder it is to break. Siyi keeps count and says something early, while a text is still just a text.

    You and Amelia have gone quiet.

    Twenty-one days since the ceramics studio. She was going to show you the kiln.

  4. January

    The follow-up you meant to do

    Say you’ll send her the housing list and set it for Thursday. It waits with her name on it and turns up that morning, so the thing you promised actually gets done.

    Thu14Send Amelia the off-campus housing listYou said you would at the studio
    Sun24Ask Luis about the radio lineup
  5. March 3

    Nobody has to remind you about a birthday

    Every birthday you’ve ever written down sits on one calendar, and the ones coming up reach you the morning of. No app has to be open for that to work.

    Amelia turns 21 today

    Her mom still mails a card. She’d rather have the phone call.

  6. Every time

    You get the last word

    Siyi shows you what it worked out from your sentence and waits. Keep the parts that are right, throw out the parts that aren’t, and nothing else is saved.

    Here is what I found

    BirthdayMarch 3Keeping
    StudyingProduct designKeeping
    HometownOakland, CaliforniaDropped

You already did the hard part.
You met them.

Everything after that is keeping track, which a phone is genuinely good at. Start with the last person you met and see how little it takes.

Start with one person
Siyi.app — remember the people you meet in college