This is the story of how one man combined LEDs with solar energy technology to bring high-quality, low-cost electric light to poor people around the world.
VOA: standard.2009.12.13
"It's putting a false sense on the market right now that everybody has this big flashing yellow light flashing, caution,caution,caution, so people are buying stuff you know in high volume than they usually buy.
VOA: standard.2010.05.08
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