Numbers are frequently referenced. Impressions, screen uptime, and content schedules provide useful insight. In real environments, human response shapes outcomes. A screen can be active, still have limited impact. Understanding this gap supports better planning. when content fits attention patterns. Limits of data-driven evaluation Logs confirm delivery. It supports maintenance. https://andrewworkinsights.bloginder.com/40306007/observations-on-sustainable-digital-signage-practices