I used HipChat for two and a half years in a previous role, and have been using Slack daily for the past 7 months in my current role. Both are fine. HipChat is

I used HipChat for two and a half years in a previous role, and have been using Slack daily for the past 7 months in my current role. Both are fine. HipChat is certainly not perfect, but I don't agree about Slack being faster. It definitely has its issues.