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announcement-banners

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Use announcement banners effectively — in-app and site banners for launches, alerts, and critical messages.

skills/announcement-banners/SKILL.md

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## Overview

Announcement banners (the strips at the top of apps and sites) deliver can't-miss messages: launches, maintenance windows, critical alerts, and promotions. This skill covers banner strategy — when banners are appropriate, design, copy, targeting, and the discipline to prevent banner blindness.


Announcement banners — the strips atop websites and apps proclaiming launches, maintenance, or urgent news — are the simplest broadcast surface and the easiest to abuse. Effective banner strategy treats them as scarce attention real estate: clear criteria for what qualifies, disciplined copy, and automatic expiry. Everything else is visual noise users learn to ignore.
## When to use

- Announcing product launches in-app
- Communicating maintenance or downtime
- Displaying critical alerts
- Promoting time-sensitive offers
- Designing banner systems
- Fixing banner blindness
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