You may not have heard of couchsurfing. It's the sort of thing that appeals to free spirits of every age, but apart from that, primarily serves a distinct population of globetrotting twenty-somethings (with a smattering of thirty-somethings thrown into the mix).
CouchSurfing "is a worldwide network for making connections between travelers and the local communities they visit." With over 1.7 million couchsurfers, at the time of writing, CouchSurfing.com has facilitated 1,853,207 successful surfing or hosting experiences, and the average age of a surfer is 28.
The Profile:
CouchSurfing (CS) is a social network. Just like any other online network, when you sign up, you create a profile. What's different with CS is the focus of the questions they ask you to fill out: there are traditional categories like education, hometown, and music/movies/books, but there are also categories like "teach. learn. share" and "personal philosophy". These tell you more about the sociopolitical stance of members than any overt message or mission statement.
Perhaps the two most useful features of the profile are not in the personal description section.
References:

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