<http://schema.org/description>
"Giving a presentation is as much an art as it is a craft. And it\u2019s becoming increasingly important in today\u2019s world of startups that those who are going to pitch and present need ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/lifehacks/2012/09/02/here-secrets-giving-engaging-presentation/>