Growth Metrics · 03
Relay

90-Day Retention by Messaging Style

Teams that thread retain 3× more members.

0% 25% 50% 75% 100% 28% 39% 58% 87% 3.1× Broadcast only Replies, no threads Light threading Deep threading
This is the Slack 2019 design system, applied by Curio Design — a design-style library for AI agents. Full Slack 2019 guide → designbycurio.com/learn/slack-2019