Futureperfect: can those convos be mediated via a wiki?
While using Confluence, I tried to keep track of activities. Like when another team updates an API I'm using. Manually. IIRC, I could watch pages. But I couldn't follow individuals, topics, teams, etc.
In the wiki page proper? Theoretically, yes, but it would involve a lot of discipline from everyone in your team.
One thing that worked for our team (i.e, our Confluence Space) was to keep all pages with a "comments" page at the end. Any comment that came up on that page was basically meant an "issue" to be resolved in the documentation: clarify a point, update another, link to a related page with more details, etc. Once the person that created the comment was satisfied, we treated the issued as resolved and deleted the comment without prejudice.
FWIW, I've been advocating everything (everything) gets a TTL. Like renewable leases. Culling is such a huge problem, burden. As others have commented (in the org-mode thread), upkeep becomes onerous. It may be cheaper just to rediscover stuff that's gone stale.
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There are different types of convos, interactions, transactions with their own use cases that all need to be implemented specifically.
All of the purpose built focused tools I've seen, per that cliche, eventually add an email feature.
And I can't think of a hybrid solution. Maybe bug trackers.
Futureperfect: can those convos be mediated via a wiki?
While using Confluence, I tried to keep track of activities. Like when another team updates an API I'm using. Manually. IIRC, I could watch pages. But I couldn't follow individuals, topics, teams, etc.