Slack and other chat platforms could easily filter these messages and only send when the initiator has added context. I type: “Hi”. The chat platform shows a m

Slack and other chat platforms could easily filter these messages and only send when the initiator has added context. I type: “Hi”. The chat platform shows a message bubble: “Alice won’t see your message until you add some content.” This should probably be an opt-in feature for the recipient, not a global behavior.