Q&A: Can I pick your brain about roadmaps?

I’m asked questions about product management from time to time. Here’s one I’ve answered recently:

Hey Jock,

I would love to pick your brain about roadmaps.

To give more clarity to my team (which is working on two mandates/sub-projects), I would like to empower them with a roadmap/timeline of the project. We already have one, on Confluence that I’ve printed next to our whiteboard. But it’s not “ours”.

Any recommendation in terms of shape/content? Should it be extremely detailed or high level? Mor...