Lookalike Audience
A new audience an ad platform builds by finding strangers who resemble your existing customers.
A lookalike audience is a targeting feature on ad platforms like Meta. You hand the platform a list of people you already value — past buyers, email subscribers, your best customers — and it scans its users to find new people who share similar traits and behavior. The result is a fresh audience of strangers who statistically resemble the people who already buy from you.
It is one of the more reliable ways to find new customers with paid ads, because you are aiming at people who look like proven buyers rather than guessing at interests. The quality of the result depends heavily on the 'seed' list you give it — a small, clean list of genuinely great customers usually beats a huge, messy one.
Why it matters
It lets you scale past the people who already know you and reach fresh buyers who look like your best customers — the engine behind profitable ad growth.