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Walls turn a Slack channel into a venue-ready display. Each wall mirrors exactly one Slack channel: as messages arrive in Slack, they animate onto a fullscreen page you can open on any TV browser, projector, or kiosk. The page is at a public URL with a unique token (/w/<displayToken>). No login required to view it, so you can hand the URL to an AV team or load it on a TV without an admin signing in.

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When to use a wall

  • Conference day. Show the official event Slack channel on a sponsor TV so attendees see live questions, talk reactions, and announcements.
  • Hackathon. Point a wall at the #submissions channel so the room sees teams check in as they finish.
  • User group meetup. Project the #meetup-chat channel during talks so remote and in-room conversations mix.
Walls are designed for short, event-day runs. Each wall is per-event, and you can delete it when the event is over.

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How a wall stays live

Each wall keeps an open connection to TalkValue. When a new Slack message arrives in the mirrored channel, the page animates the message in within seconds. Deleting a message in Slack removes it from the wall over that same connection. The connection holds for up to 25 minutes per session, then the page reconnects automatically, so long-running displays don’t need a manual refresh cycle.

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Branding a wall

Each wall has its own branding controls: event name, venue/date line, optional logo image URL, optional QR code with a custom label, four theme presets, and a dark-mode toggle. Pick the combination during creation and update anytime from the wall’s settings page. See Create a wall.

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Public URL safety

The wall URL contains a random display token, so the page is not discoverable from a directory or by guessing. If you ever need to invalidate a URL (for example, an old TV is still pointed at it after an event), regenerate the token from the wall settings. The old URL stops working immediately and a new one takes its place.