If your store is new, or your Facebook Pixel is new and has not collected enough data, some Lookalike options will not be available to you. 

These options will become available as your store gains event data. 

If you choose to build your Lookalike Audience with the Automatic Lookalike Audience option, Brainity will automatically build Lookalike Audiences from the best available source, as your store gains data so you do not have to manually keep track and change the Lookalike Audience source as you gain more data. 

Your pixel needs to have registered at least 100 purchases in the last 6 months in order to optimize towards Past Purchases.

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