Attention tax: your Slack habits are other people's unread count
Communities get the Slack they tolerate. Large communities drown less often in obvious scam posts or clear code of conduct violations than in everyday attention tax. Wrong channel posts, top-level replies that should have been threads, and the `Also send to #channel` checkbox quietly multiply unread counts for people who never asked for the ping. This post is a practitioner etiquette essay from Slack-lived experience: pick the right room, consolidate before you hit Enter, trim link previews, prefer reactions over thanks-noise, and remember that deleted messages still leave footprints. It ends with a short checklist you can pin.
