<http://schema.org/description>
"UPDATE: At 11.48am EST, almost five hours after the outage was first reported, Foursquare tweeted that the service is back up and running. May your check-ins resume!\r\n\r\nHave you tried ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2013/01/24/foursquare-suffers-widespread-outage-leaving-website-and-mobile-apps-inaccessible-for-hours/?fromcat=all>