Its for the police The tasks include asking users to tap the screen in certain places when they see different shapes to stop a clock when 60 seconds have passed to follow a moving circle on the screen with a finger as it randomly changes directions and to stand on one leg for 30 seconds each with the iPad in one hand . 😂 . Milburn calls his app DRUID , an acronym for driving under the influence of drugs . Prior to now , people had no way to really know if they were impaired or not , . <| sep |> I wish I could find my old toothpaste tube , It ' s literally for one use only . They make them a lot smaller than that tube for some reason . <| sep |> I suppose so , but even if we just post to r 3 Dprinting , it would be nice to maintain a list of mods somewhere .