For enterprise companies that already use a lot of MS services, and which have tight security policies on what software can be used/licensed/installed, an MS Slack clone could be a wonderful thing for employees.
I was under the impression that they also sold ink, but turns out that's not the case. Their parent company, X-Rite, sells electronic equipment for measuring and calibrating colour, but that seems like a smaller, more specialty business than Pantone brand. Licensing the brand for products must be lucrative enough on its own.