Slack didn't really solve the email problem. Here's what we can learn from what it did help
Briefly

Emerging in 2013, Slack offered a direct line to coworkers for streamlined communication. But trading one stress-inducing method for another highlights our inability to establish boundaries efficiently.
Users spend more than 90 minutes a day actively working in Slack, sifting through channels, responding to notifications, creating an 'always on' environment that increases urgency.
Read at Fast Company
[
|
]