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Company floats ads in 'clouds' shaped like corporate logos
Continue to the storyA special-effects entrepreneur from Alabama has come up with a way to fill the sky with foamy clouds as big as 4 feet across and shaped like corporate logos - Flogos, as he calls them. Francisco Guerra, who's also a former magician, developed a machine that produces tiny bubbles filled with air and a little helium, forms the foam into shapes and pumps them into the sky.