<http://schema.org/description>
"Do you regularly post pictures of your dinner? Update the world on your daily workout? Write cryptic messages guaranteed to elicit sympathy? You, my friend, need a refresher course in Facebook etiquette."^^<http://www.w3.org/2001/XMLSchema#string>
<http://people.howstuffworks.com/10-worst-breaches-facebook-etiquette10.htm>