Unverified50% confidenceFactExact time
The Phoebus Cartel artificially reduced light bulb lifespan from 2,500 hours to 1,000 hours, making it one of the earliest traceable cases of planned obsolescence, occurring in the 1920s.
1
Sources
50%
Confidence
Long-term
Relevance
9/6/2026
First Seen
Sources
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