Last night we deployed an enhancement for our recently launched Team Messages feature. You can now organize your messages into categories. We've given every group a few categories to get started, but you're able to change them and add you own as well.
To put a message into a category, use the drop-down on the “Post a Message” page:
When browsing your team's Messages section, you can use the sidebar to filter messages by categories:
We hope you like this new addition. It should especially help “power users” who use the Messages feature heavily keep things neatly organized.