Slack shows it’s worried about Microsoft Teams with a full-page newspaper ad

Microsoft is just minutes away from unveiling its Slack competitor, Microsoft Teams, at an event in New York City today. The software giant is expected to position its Teams software with tight integration into Microsoft Office, Skype, and the company's Office 365 services, and as a direct competitor to Slack. Microsoft hasn't even officially unveiled its Teams service, but that's not stopping Slack from getting some words out before the software maker's event.
In a full back page ad in the New