Hi All, I'm setting up an Omnipresent campaign and have uploaded 70,000 warm leads into a Custom Audience 2 weeks ago. Ben has said that you need approximately 50-100,000 contacts for this type of campaign, but my "Estimated Audience Size" is still saying "Not Available". Do you think the audience size would be large enough based on this info or is there another way to determine the approximate size of a Custom Audience?