Updated: Q2 2026EMARKETER is the leading research, data, and insights provider, helping companies maximize revenue, optimize spend, and anticipate digital disruption through our carefully vetted data sources and proprietary research methodology. Updated: Q2 2026Estimates are based on the analysis of various elements related to the digital advertising market, including macro-level economic conditions, historical performance trends across formats and channels, historical relationships between impressions and clicks, reported performance metrics from major ad publishers, estimates from other research firms, first-party benchmark data, consumer media consumption trends, device usage patterns, and EMARKETER interviews with executives at ad agencies, brands, media publishers, and other industry leaders. Updated: Q2 2026Social media ad impressions per hour is the average number of ad impressions an average user is exposed per hour of platform usage. Calculated as total ad impressions divided by MAUs and total time spent.