SWYM & OpenX Cut CPA 57% for Butler/Till Client Butler/Till reduced CPA by 57% using AI supply shaping from SWYM and premium inventory from OpenX across 18 US markets. Post navigation Previous: Supply Shaping Delivers Performance Lift for Advertisers Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.