The author of this article, Clement Delangue, head of marketing at Mention, shares their experience on increasing the activation rate by 50% for their product. They emphasize the importance of measuring and improving an activation metric, which is a key aspect of user engagement. The author identifies four steps to increase activation rates: letting new sign-ups know they're there for them, letting people know a feature is available, explaining why users should use it, and teaching people how to use it. They attribute their success to using efficient tools like Intercom and clear metrics, without changing the product itself. The article concludes that improving activation can lead to improvements in conversion and churn ratio, ultimately benefiting both businesses and their users.