Slack is indispensable for us in its function. It enables easy internal communication and ensures that we can quickly and easily exchange information with every team member around the world. The only thing that could perhaps be improved is the overview, which can quickly lost due the many different channels. Perhaps there could be a notification setting that asks whether you want to keep the channel if you've been inactive for several months.
Https://simply-b2b.com clients are added to slack channels to help us engage and assist on a daily basis. We also use this to manage our affiliate network
I love all the flexibility to extend the platform with custom emojis, bots, so rich. The recent app GUI refresh made it a bit easier to find what's relevant and what to ignore
Easy to use for simple tasks and startups. Once the tasks become more complex/ more groups etc it is not always clear to keep the oversight/overview once you are in different channels/ conversations.
Slack's user-friendly interface and organized workspace structure make it relatively easy for teams to adapt and start using it efficiently. The desktop app for Windows, along with desktop notifications, keeps users up to date.