Slack is the boss of team collaboration software. Don’t we all know that? But here’s a fact we can’t unknow: Even the best of the bosses make mistakes. They have their own set of flaws. Slack indeed is helpful in several ways. It’s a tool that solves three different issues: team collaboration, communication, and staying up-to-date. Not only did this tool make private and group messaging easy, but also made third-party program integration and file sharing effortless.