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  1. 2020

Infectious Media

How 'test and learn' delivered a record-breaking Christmas for John Lewis

Category:Most Effective Digital Media Buy

Client:John Lewis

Between Black Friday and Christmas is a critical period for John Lewis to maximise performance. The demand for digital advertising space in this time however, is growing every year, making performance targets harder to reach.

John Lewis’s programmatic strategy, built off a philosophy of test-and-learn, saw technology and data innovation help drive the brand’s most successful Christmas period ever