They alert drivers of potential hazards such as car accidents and assist drivers in managing commutes by minimizing delays caused by speed traps and roadway dangers. However, the app also encourages speeding in a nation that loses too many of its youngest citizens to car accidents.
There's a good reason why experts advise against taking the last ski run of the day. Whether from fatigue, carelessness or a sense of invincibility, it often ends in disaster. In Italy, I found that out for myself.