Slack Quick Replies Concept

Live prototype: https://s.codepen.io/andgordy/debug/dxoPvj

When you mention someone in a channel, the app shows their latest messages and lets you pick one to start a thread. This improves discoverability of threads feature, streamlines your workflow and fits most user patterns from newbies to pros. Read more: https://twitter.com/andgordy/status/1153348192987054080