Trends of this sort are driving the rise of the new gray-collar worker. Sense and sensuality Ling Tung University professor Frank Tien-jin Chang remarks that in the past, occupations were described as either white or blue collar, but the dividing lines between them are becoming increasingly ambiguous.
理性與感性嶺東技術學院講座教授張天津認為，過去慣用二分法將職業分為「白領」與「藍領」兩種，但是現今工作性質的界限越來越模糊。