PwC forecast projects global E&M revenues to reach $4.2T by 2030, with AI-powered ads eclipsing consumer spending in 2026. Advertising is the fastest-growing segment at 5.6% CAGR, while OTT revenue shows 6.1% CAGR despite subscription fatigue, driving consolidation and ad-tier expansion, with OTT ad revenue projected to grow at 9.4% CAGR.