Facebook? Snapchat? What's hot on college campuses?

In CNBC's social media on campus series, we asked students from all across the country to tell us what social media platforms are most prevalent at their school. Facebook? Snapchat? Twitter? Are students using them for purely social purposes or professional/school activities? And, are any social media platforms "dead" or just for old people? Here's what students had to say.

Students mobile phone
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Millennials are falling "out of love" with Facebook, according to University of Southern California student Sonali Seth.

Haylee Millikan, a student at the University of Washington, says contrary to what some people think, social media isn't a "CSI" episode waiting to happen, full of selfies and stalkers. She says a lot of good has come from it — and she, personally, has used it to transform her life.

Personally, I've found it painful to watch my parents try to use Facebook, but I don't think social media hasn't taken a downward spiral just because an older, less "hip" generation is trying to embrace it.

Read more from me and other students about social media on our campuses:

— By Josh Weiss, Drexel University

— By Haylee Millikan, University of Washington

— By Lilly Mashayek and Thomas Polcyn, University of Illinois at Urbana-Champaign

This series was edited by Josh Weiss, a fourth-year junior at Drexel University, majoring in communications. He is also the director of social media the school's independent newspaper and an intern at CNBC.com. Follow him on Twitter @joshuahweiss.

For more insight from CNBC contributors, follow @CNBCopinion on Twitter.