Nielsen Confirms Pilot Of New Multi-Viewer Live Event Watermark by Laurie Sullivan , Staff Writer, February 9, 2026 Nielsen launched a pilot wearable device during Super Bowl LX that tracks co-viewing of major live TV events. The wearable device worn on the wrists – resembling smart watches – detects an acoustic watermark code not audible to humans, … Continue reading Nielsen Confirms Pilot Of New Multi-Viewer Live Event Watermark →