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 The evolution of our chat was really finding what fits us the best. We have started our team chat at Slack many years ago, then we moved to Rocketchat, and then we moved to Mattermost. While keeping Mattermost running, we started our Matrix instance on the side. We have gradually moved more to Matrix over time and now have most of our main conversations in Matrix. There were reasons for each of our moves, we will explain them below.
 
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 ## What we based our decisions on
 
 ### Work chat
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