Slack is a communication platform designed to facilitate team collaboration, but it can also be a significant distraction if not used effectively. To avoid getting overwhelmed by Slack, users need to customize their experience and set boundaries. This includes leaving channels that are no longer relevant, using threads to organize conversations, adjusting notification settings, decluttering the sidebar, saving actionable items, scheduling heads-down time, and being willing to "declare bankruptcy" when necessary. By implementing these strategies, individuals can make Slack work for them rather than against them, improving their productivity and reducing stress.