- 1
use a channel when more than two people benefit
anything about a job, a customer, or a process belongs in a channel. that way the next person who joins the team can scroll up and learn the context without a sit-down.
- 2
use a dm for one-offs and personal stuff
asking someone to grab lunch on the way back, sending a doctor's-appointment note, anything that isn't business context — dm it. don't pollute channels.
- 3
convert a dm to a channel when it grows
if a dm with one teammate has turned into ongoing project chat, copy the gist into a new channel and pull the right people in. dms don't scale to a team.
tipthe test: "would the next person who joins the team need to see this conversation?" if yes, it belongs in a channel. if no, it's a dm.
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