This month Slack announced to have raised $200M on its most recent financing. At the same time I started to turn off Slack during working hours. One chat to rule them all Slack (just as Hipchat, and many other alternatives) are messaging apps for teams. If you are on a still small startup (< 5 guys) maybe you don’t have anything similar yet, but as you start to grow, you will fell the need for it. And as soon as you notice, Slack will be one of the most important tools you have. Besides com...