New message alerts, an email thread that renews itself from hour to hour. Increasing comment counts, timestamps that are less than 3 hours old. Like the subtle but unmistakable indicators we passively–subconsciously even– observe when walking into a room where someone is sleeping, so are the indications that a team is thriving, working together, and moving towards something in harmonious rhythm. it can’t be faked, and it’s all to obvious when it’s not there. You just know.