This look had rarely appeared in yearbook pictures before Jobs ... both their classmates and their parents than high school seniors in the South. They were also more likely to be style innovators ...

South Carroll High School held a commencement ceremony Tuesday for graduating seniors at the McDaniel College Gill Center.

An analysis of nearly 38,000 American high-school yearbook photos from the 1900s to the 2010s shows the gradual shift from serious to lighthearted expressions, reports Steve Dent for Engadget.