Slack Killer. I have been saying for a while that Slack is not a defensible product and that their customer base is notoriously fickle. As microsoft, google,

Slack Killer. I have been saying for a while that Slack is not a defensible product and that their customer base is notoriously fickle. As microsoft, google, and apple begin integrating chat more directly into the OS Slack will see its market share vanish.