I used to use Roam every day, but I don’t use it much anymore. Based on what I can see on Twitter, and a casual survey of friends, I don’t think I’m alone.A year ago, the idea of networking our notes with bi-directional links became the biggest thing in the tools for thought space since Vannevar Bush described the memex. Top-down hierarchies and tag systems became the pet explanation du jour for everything that was wrong with note-taking. So we all hustled on to the Double-Bracket Express determ...