Build a lookalike audience By Meta Blueprint Published: Oct 18, 2022 Duration 10m Difficulty Beginner Rating 1 star 2 stars 3 stars 4 stars 5 stars Average rating: 4.0 4 4 reviews Share E-learning Course Started on May 28, 2023. Log In To Launch In this lesson, you'll learn about lookalike audiences and examine how you can use signals to help build your audience.