Divide social activity in digital spaces into two categories: discussion and reference.
Most activity is discussion: news or blog updates, shared links, forum discussions, microblogging hot takes, comments, private or group messages, livestreaming, newsletters. They speak to a particular moment in time.
Examples of reference can include: wikis, git repositories, project documentation, question/answer sites or FAQs, indexes. These resources are not directly concerned with specific moments in time — they attempt to be organized according to context and relevance.
Discussion begins to fade the moment it is published. It can be temporarily revived (bumped) by some kind of activity or update, but this itself is a form of discussion that begins to fade on arrival.
they automatically delete chat messages older than a few weeks to discourage relying on it for long-term archival. In retrospectives, team members often reflect on whether they chose the right medium (email, chat, or forum) for various conversations.
convert chats into notes