Note: Nielsen/NetRatings AdRelevance service uses a proprietary methodology for estimating online advertising expenditures and takes into account only image-based technologies and advertising sold per CPM. Above data does not reflect house advertising activity, strategic partnerships between publishers and advertisers, or text units, paid search, sponsorships, email, units contained within applications (e.g., messengers and pre-rolls) or performance-based advertising.

Which Digital Channels Do Marketers Around the World Feel Are Most Effective?
Marketers are high social media’s effectiveness and confident in their ability to measure its ROI.