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Why LED Bulbs Don't Always Live Up to the Hype About Their Life Spans - WSJ
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Understanding a Light Bulb's Lifespan - greencents™ Blog
Light Bulb Life Expectancy – Which Bulb is Right for You?
The night light robbery: How the LED bulb industry is ensuring customers keep coming back - India Today
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The L.E.D. Quandary: Why There's No Such Thing as “Built to Last” | The New Yorker
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