Two business days after your Solus send we share the audience of subscribers who have opened the email to your Facebook Ad Account. 

What we will need to is your Facebook Ad Account number. 

After the Solus has been sent, we will share this to the Ad account number, we will notify once these have been shared by email. How to find your FB ID. 

This audience is available to you for 5 days, allowing you to run retargeting campaigns across Facebook and/or Instagram. 

Here is what the timeline will look like: