Categories Funfact 20% of the world’s electricity is used for lighting. Post author By admin Post date October 7, 2014 20% of the world’s electricity is used for lighting. ← The Guinness Book of World Records is one of the most frequently stolen books from public libraries in the United States. → Brontosaurus isn’t a dinosaur. It was named in error as it turned out to be a previously discovered species called Apatosaurus.