<http://schema.org/description>
"Facebook Groups are useful for any time you want to share something with just a small group of people (your best friends, family, teammates, etc.) instea..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/meredith-chin/5-best-features-of-facebook-groups_b_1536754.html?ref=high-school&ir=High%20School>