Slack warns Microsoft off workplace comms with NYT ad: ‘This is harder than it looks’

In anticipation of Microsoft unveiling its workplace chat service in New York today (2 November), rival Slack took out a full-page ad in the New York Times letting the computing giant know it is in for a fight.
A full page of copy, penned by Slack chief Stewart Butterfield, warned Microsoft that its relationship with customers will not be easily replicated, ahead of the launch of ‘Microsoft Teams’.
It said: “We've spent tens of thousands of hours talking to customers and a