Each generation is different from the one that precedes it. Sometimes these differences are stark -- the era of Eisenhower leading into the Woodstock years, for instance -- and sometimes they are much more subtle. An overlooked way to examine the size of these generational differences is to compare the buying habits of one generation to another.
Some people dread swimsuit shopping. Others consider the process of finding jeans that fit as enjoyable as a colonoscopy. For me, I've never not ended a session of eyeglasses shopping without choking back rage tears at the optometrist's. And, as someone who's needed glasses since the second grade (my vision finally plateaued at -7.5 in middle school), I've had a lifetime of anguish to come to the conclusion that I have a deformed head.