We generally have that cultural norm too — I'm as likely to DM someone as I am to sidle up to them in the office. I never feel like using Slack is stopping me

We generally have that cultural norm too — I'm as likely to DM someone as I am to sidle up to them in the office. I never feel like using Slack is stopping me from writing code, but when I'm waiting for a build or what-have-you I can look at channel updates asynchronously.