As Concerns Grow Over Internet Privacy, Most Say Search & Social Have Too Much Power How Internet users perceive the influence a variety of popular online platforms have over their lives was among the subjects examined in a sizable new joint report by Ipsos, the Internet Society, and the Centre for International Governance Innovation, offering some surprising insight for digital marketers. Marketing Charts Facebook Experiments with A/B Testing for Page Posts Facebook has been trying out A/B testing of Facebook Page posts, a feature that if rolled out in earnest could eventually have significant implications for digital marketers. Social Media Today CMOs Say Digital Marketing Is Most Effective: Nielsen Study Accurately measuring digital marketing advertising spending’s return on investment remains a challenge, while the overall effectiveness of digital ad spend has grown, according to a fascinating new Nielsen study of chief marketing officers.