Group chat applications like Microsoft Teams and Slack have become really popular in recent years in the work place, but these systems have also been criticized for creating an “always on” work culture, in part because it’s so difficult to catch up on group chats that you miss. Tilda is an experimental Slack add on that makes it easy for teams to annotate their own chats to collaboratively produce discussion summaries, making it easier for people to catch up on chats that they’ve missed.