Here's a confident contrarian opinion: fluorescent lights flicker at twice the mains frequency (100Hz in UK) with unique harmonic patterns based on ballast age and type. This flicker can be detected in video recordings and fingerprints the lighting environment. Your IPTV panel needs retention by fluorescent flicker risk. An IPTV panel with flicker-based retention keeps video recordings made under fluorescent light for shorter periods (lighting fingerprint risk), and recordings under natural light for longer periods—turning a uniform retention policy into a lighting-fingerprint-optimized system. For an IPTV reseller UK, flicker-based retention is especially valuable because UK privacy law considers environmental fingerprints identifying—keeping fluorescent flicker longer increases re-identification risk. A real example that protected lighting privacy: a reseller in London kept fluorescent-lit video for only 30 days (flicker fingerprint risk), but naturally-lit video for 7 years. The fingerprintable flicker data was deleted quickly. The pattern that keeps showing up is that resellers with flicker-based retention protect against lighting fingerprinting, while resellers without it retain identifying flicker patterns. What actually works is checking whether your current IPTV reseller panel can: detect lighting type from video, classify data by flicker risk, set retention by lighting fingerprint risk, automatically delete fluorescent-lit video sooner, and generate flicker-based retention reports. Most operators find that basic panels have no lighting detection, mid-tier panels have one retention for all video regardless of lighting, and great panels have flicker-based retention with automated classification and deletion. Honestly, the best IPTV reseller UK operators also use "flicker-based retention review" quarterly—reassessing flicker risk because a fluorescent ballast that was smooth last quarter might flicker more this quarter (aging), and the data you keep too long is the data that will identify the lighting environment. Your IPTV panel should delete fluorescent-lit video fast, because light flicker fingerprints your environment—and fingerprinting is how privacy is lost.