I was the EM for Reddit's Growth team around this time. I am responsible for / contributed to a few features like the current signup flow, AMP pages, push notifications, email digests, app download interstitials, etc. There was a new product lead who joined with many good ideas, but some of them were dark patterns that I heavily protested. After a few months of this, it was obvious that I was going to be reigned in o…
How did this metric come into use? DAU/MAU has been a popular metric because of Facebook, which popularized the metric. As a result, as they began to talk about it, other consumer apps came to often be judged by the same KPIs. I first encountered DAU/MAU as a ratio during the Facebook Platform days, when it was used to evaluate apps on their platform.