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Panel size

The Lumen attention panels are the largest continuous eye tracking panels in the world
UK: 1000 (250 desktop and 750 mobile)
nationally representative sample
US: 1000 mobile users
nationally representative sample
Panels refreshed frequently
Matching attention to impressions

Lumen’s software collects and combines two different types of data:
1: Browser extension records events on device
2: Webcam eye tracking records visual attention via front-facing camera
Data security
