I use slack every day and have no problems with it. This letter has so much wrong > First, and most importantly, it’s not the features that matter. Yes, yes i

I use slack every day and have no problems with it. This letter has so much wrong > First, and most importantly, it’s not the features that matter. Yes, yes it very much is. Do you think people would use Slack if it was bare bones? > The revolution that has led to millions of people flocking to Slack has been, and continues to be, driven by something much deeper. I have no idea what this "revolution" is. What exactly is the deeper meaning? > Second, an open platform is essential Says the team making a closed source app with an api. Nothing Microsoft can't do. > We’re glad you’re going to be helping us define this new product category Group chat isn't new.