These 5 “rules” were originally published in Issue 10 of Offscreen Magazine and are republished here with permission. The…

The memo below was sent to the team at Tiny Speck, the makers of Slack, on July 31st, 2013. It had been a little under seven months since development began and was two weeks before the launch of Slack’s ‘Preview Release’. It is presented verbatim, as written (including original…