A large part is also for looking for something that passes the letter of the rules, but not the spirit - a loophole. The Mercedes F1 DAS system they intend to

A large part is also for looking for something that passes the letter of the rules, but not the spirit - a loophole. The Mercedes F1 DAS system they intend to race this year when the season gets underway is just the latest example, but see also the 6 wheeled car, the fan car, getting around the ground effect ban, double diffuser, blown exhaust etc. etc. It's one of the reasons I love the sport.