[jseliger]

While useful stuff like CS stayed relatively flat, the majors that skyrocketed were things like Liberal Arts.

Liberal arts degrees are also relatively flat, depending on how you want to count them: the major rise was in business, which accounts for about a quarter of U.S. undergrad degrees. Communications has also risen enormously.

(See Academically Adrift and Louis Menand's The Marketplace of Ideas for more details. Note that the former also finds that liberal arts majors actually make large, measurable improvements in learning over their first two years of college, while business majors, as a group, don't.)