Women wear wrong bras

This says:

According to a national fit study by Wacoal, eight out of ten women in the U.S. -- or nearly 90 million women over the age of 18 -- are wearing the wrong size bra. ...

Smith recommends that women get fitted once per year or whenever they gain or lose five or more pounds, start or stop an exercise program, become pregnant, and after giving birth.

I figure that it is going to take at least 10,000 man-years of labor to do all those fittings.