Cheaper LED Bulbs Make It Easier to Switch Lights - NYTimes.com: "People sometimes have trouble making small sacrifices now that will reward them handsomely later. How often do we ignore the advice to make a few diet and exercise changes to live a longer, healthier life? Or to put some money aside to grow into a nest egg? Intellectually, we get it — but instant gratification is a powerful force. Enlarge This Image
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