lookalike expansion

Definition

The process of finding new prospects who resemble your existing customers, using algorithms to clone your best audience at scale. It's digital matchmaking based on the assumption that people similar to your customers will also tolerate your product.

Example Usage

We used lookalike expansion to find new targets, though 'people who resemble our customers' turned out to include our competitors' entire customer base.

Origin

Advanced feature of programmatic advertising and social media platforms, popularized in the 2010s

Fun Fact

Facebook's lookalike audiences can match up to 10% of a country's entire population, proving that everyone is more similar than they'd like to admit.

Source: Advanced digital advertising tactics

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