<http://schema.org/about>
"Facebook makes reconnecting with your past almost scandalous. One friend leads you to 10 more in an exponential manner -- from college, your travels, high school, pre-school"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/putting-a-green-face-on-facebook.html>