Trade-offs:
* Tekton Slack (free): own space, any channels, control over membership. Downsides: free tier limits, moderation burden.
* CNCF Slack channel: crossover participation from other CNCF projects. People already on CNCF Slack discover Tekton.

Josh Berkus recommends a community poll — also serves as a way to identify and make contact with silent users.

Acceptance Criteria

* Run a community poll on Slack preference
* Use the poll as an opportunity to count/identify silent users
* Make a decision and communicate it clearly with data backing