Rory Sutherland looks at how certain brands, from Tupperware to Ann Summers, harness the power of social proofing - our desire to align our consumer purchases with 'people like us' Show more
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Rory Sutherland looks at how certain brands, from Tupperware to Ann Summers, harness the power of social proofing - our desire to align our consumer purchases with 'people like us' Show more