Nerdfighters. Hipsters. Speedy seniors. Dropouts. Superfans. Slackliners. Drunkorexics. Tanorexics. Adderall addicts. Longboarders. Sleep texters. Thrifters. Illegall downloaders. And one very bold halftime streaker. Over the past 18 months or so, for my Campus Beat column on USA TODAY College, I have written about an array of students involved in a ton of different activities, organizations, scandals and states of mind. In recognition of my 100th column– posted earlier this semester– here is a quick top 10 list of things I have learned about college life and the world at-large through Campus Beat.