> Negative ads can make sense if you're going up against one or two entrenched competitors that own most of the market share.

Like what Gett is doing: "We pay more than Uber!"

"We pay more than Uber" isn't really, or at least not purely, a negative ad. It's making a comparison, one that Gett comes away looking good in; and it's really pointing out something that Gett does better than Uber, not just something that Uber does poorly.

I think that's a pretty strong approach.

As you say, it hits a nerve... But what's there to be angry about, when that happens anyway?

I suspect that said "neurotic, senseless need" to keep up with the corporate Joneses is what drove many organizations to adopt Slack in the first place. That leaves them feeling vulnerable about the next thing that might be coming up, which they don't want to miss out on. IMO Ryver is being rather clever by playing on that insecurity so openly.

I am now required to use Slack for communication at work. It replaces the previous chat tool I was required to use to communicate at work and is, in fact, the fourth communication tool that I have been required to use for work in the past 12 months. Needless to say, I can't communicate with anybody.

The only killer feature I would have any interest in would be syndication across various communication tools.