<http://schema.org/topics>
"Best of Instagram Series,comedy,features,instagram,humor,Mashable,Memes,Social Media,trending,Uncategorized,Watercooler"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/05/02/instagram-lol-pics/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Mashable+%28Mashable%29>