<http://schema.org/description>
"Facebook users that have their accounts linked to Twitter started noticing on Thursday that their posts are no longer showing up on the smaller social network as expected. This appears ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2012/10/12/facebook-users-are-reporting-their-updates-are-no-longer-being-sent-to-twitter/>