They add tracking to the products you view/visit/buy for retargeting ads: https://m.facebook.com/business/help/651294705016616 https://m.facebook.com/business/h

They add tracking to the products you view/visit/buy for retargeting ads: https://m.facebook.com/business/help/651294705016616 https://m.facebook.com/business/help/651294705016616