youll get these demanding clients who want a huge focus group just of high school kids in winnipeg , who have recently bought a brand new car , have a lemon-scented air freshener , and have never had a speeding ticket , or some other insanely specific group they want for a test market , and they need it now , but teens with cars are probably not sitting at home filling in surveys , he said with a sigh and a slight shake of his head .