You've seen a product grow quickly and need to determine whether that growth reflects a repeatable mechanism or a temporary event. You want to separate short-term acquisition and engagement signals from the longer-term behaviors that show users are coming back and bringing others with them.
How would you evaluate whether a product's growth is driven by a sustainable loop or a one-time spike?
Short-term growth can come from PR, paid campaigns, seasonality, or a product launchSustainable growth usually shows activation, retention, and some form of user-driven propagationThe key is linking leading indicators to lagging durability