Their product is built on the Slack platform. They probably need (and want) to be paid users if not for anything more than having a better understanding of thei

Their product is built on the Slack platform. They probably need (and want) to be paid users if not for anything more than having a better understanding of their customer. Why you’d start (and fund?!) a business built entirely on a “hip” chat client, in a world where we’ve seen how walled gardens have ruined business models overnight (mobile app stores) is the real question. But it’s not my money (or apparently the blog authors either). So spend away!