Barbie
Greta Gerwig's film about the doll, followed from what people looked up to what they borrowed.
Reading rule: a step counts only if it is an outcome measured in its own data and it starts after the previous step. The badge says how sure we are of each step.
What this shows. The order and timing of each step, and for the measured steps, that the rise was larger than at fake dates. It is evidence of a chain of attention and behavior, not proof that the show caused each step on its own.
Known limits. Wikipedia stands in for all attention and one city's library for borrowing. Timing shows order, not proof that the event caused each step on its own.
Data: Wikimedia pageviews (daily), Seattle Public Library checkouts (monthly) Tests: named-subject test, chain tests. More results on Discoveries.