You’re right that deltas are still meaningful in aggregate, but in my experience the actions the users take and their retention rates are different. The ad-bloc

You’re right that deltas are still meaningful in aggregate, but in my experience the actions the users take and their retention rates are different. The ad-blocking users are more valuable in my opinion because they are more likely to be power users and advocates for your software. So looking at a graph of feature usage will not accurately portray the weighted value of each feature, based on changes to retention and virality – the devil is in the details.