How do they figure? Seats get narrower, travelers wider

The surface is the human derriere, Canadian branch. Its measurement offers Air Canada medical proof that a traveler's bottom will not fit into one seat and, therefore, needs two, without extra charge. Travelers wishing to get this exemption need only visit their doctor, where they get to sit on a paper-covered exam table as the doctor rests a ruler on the left side of their widest point (hip or waist), marks it, then repeats on the right.  Click here for full article.