Exposing the Secretive and Sinister Work of McKinsey & Co. Kit Puff Le Bar 45K Lost Vape, Kit E Cigarette Taklope Electronic Cigarettes in McKinsey Park Best E Cig Kit Doric E Voopoo ds 27,90 McKinsey & Company was hired by JUUL to investigate teens' favorite flavors of e cigarettes. Their survey's conclusion was that kids liked mint e cigarettes and would switch to those if other flavors were E cigarettes less addictive than cigarettes, PATH study shows Penn State University