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Incandescent light bulbs are officially banned in the U.S.
(www.digitaljournal.com)
This is a most excellent place for technology news and articles.
The 3 biggest issues CFLs had were their warm up time, especially in cold weather, the flicker some people are sensitive too, and they contain murcury as all florescent bulbs do. That means it is absolutely necessary to properly dispose of them so mercury doesn't get into the ground water.