<http://schema.org/description>
"Not all social media updates and interactions are posted live. There are a number of social media management and productivity tools such as HootSuite which will allow you to draft your posts ahead of time and schedule them for automatic updating. In fact, HootSuite provides the ability to schedule"^^<http://www.w3.org/2001/XMLSchema#string>
<http://famousbloggers.net/scheduled-social-content.html>