Flowdock was (and is) much closer to parity with Slack, and I really wanted to prefer it for various reasons… but Slack just got the UX much closer to where it

Flowdock was (and is) much closer to parity with Slack, and I really wanted to prefer it for various reasons… but Slack just got the UX much closer to where it needed to be. That combined with a few key adopters are what pushed Slack over the edge to meet the need before Flowdock could.