Search volume trends can be used to see cause and effect. In this case, spikes in search around swine flu and H1N1 can be correlated to spikes in search for Purell.

1. Purell Sales Driven by H1N1
Purell demand and
search volume lifted
swine flu
h1n1
-1-
swine flu drove 1st peak
h1n1 drove 2nd peak
1
Augustine Fou

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-2-
Augustine Fou

3. Dr. Augustine Fou – Digital Consigliere
“I help my clients find key
insights based on the new
metrics from digital.”
FORMER CHIEF DIGITAL OFFICER, HCG (OMNICOM)
MCKINSEY CONSULTANT
CLIENT SIDE / AGENCY SIDE EXPERIENCE
PROFESSOR AND COLUMNIST
ENTREPRENEUR / SMALL BUSINESS OWNER
PHD MATERIALS SCIENCE (MIT '95) AT AGE 23
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@acfou
Augustine Fou