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The Brain Products SetWhen
SatelliteLivesetwhen.com

SetWhen

Consumer event coordination for families and friend groups — anonymous magic-link RSVP is the hook.

Entry vitalsProduct · Satellite
Status
LiveAt setwhen.com
Hook
No-accountmagic-link RSVP
Scope
Cross-householdmoments that span circles
Revenue
3 streamstwo tiers + a fee
Source · live at setwhen.comSynced 2026-07-04
The whole machine

Anatomy & connections

One shareable link as the wedge, one event page that holds everything, and three revenue streams — plus every thread tying SetWhen to the platform. Click any piece to read what it does.

Loading diagram
Tap a pieceClick a group to open it, or hover any piece to read what it does.
Read the entry
00

In one breath

One person proposes an event with a few date-and-time options, everyone votes, the winning time locks, and the conversation, schedule, photos, receipts, and gift money all live on one event page. It's built for the moments that span more than one household — a reunion, a birthday across two friend groups, a road trip, a weekly poker night.

It runs on the TurnTwo shared backbone — which is exactly why it came up fast.

01

What it is

The differences

One event page that replaces a half-dozen apps. The diagram above walks the machine — this is the plain-language version.

02

Why it's built this way

The reasoning

Not just what SetWhen is, but the one feature that drives adoption.

The load-bearing principle · no account required
Guests vote from an email or text link — no signup.
Anonymous RSVP via magic link is the single biggest reason families adopt it: elders, distant cousins, and plus-ones all participate without friction. The one who never installs an app is the one you most need to hear from.
03

How it actually works

The mechanism

The mechanism, in plain terms.

A
Propose, vote, lock
An organizer proposes date-and-time options; everyone votes; the winning time locks and the event page fills in around it.
04

What's missing — and how it gets better

The honest gap log

The candid part — most features are built and live; here's what's still ahead.

idea
Native mobile app
The web experience is the whole product today. A native app would make reminders and photo capture feel first-class.
Med · reach
idea
Deeper calendar sync
Calendar write-back exists in Plus; two-way sync across the major calendars would remove the last bit of double-entry.
Low · polish
Wiki on the wiki

About this entry

This wiki documents its own construction. Here is the what, why, and how of the entry you just read — the same treatment we give every subject.

What this is

An instrumented entry, not a page. Every subject opens with a live vitals readout and a diagram of the whole machine, then four sections — what, why, how, and the honest gap log — each expandable from a skim to the full reasoning.

This is the public exhibit. The unredacted cockpit is a separate, sign-in-only surface that never ships a byte to this one.

Why it works this way

Depth is the reader’s choice.A skim gives the gist in a minute; “Go deeper” adds the decisions, the mechanism, the open threads.

Default-deny keeps it safe.Anything sensitive never enters this build — you see where the trail stops, never what’s behind it.

How it stays true

It maintains itself. A librarian process reads the live sources on a schedule, updates the brain, and republishes — so vitals reflect the system as it is.

The graph is earned. Connections come from real cross-references between subjects, not a hand-drawn diagram that drifts.