Adds personalised Open Graph tags that Facebook proposed, and constantly change their mind about supporting.
Adds the following tags to your header for better connection to facebook...
The following tags were proposed and validated by Facebook in 2010: https://developers.facebook.com/docs/opengraphprotocol/
Paul Tarjan, Software Engineer @ Facebook for the Open Graph protocol is on record as having said:
"Those properties are deprecated. If major players in the locality space need markup, ogp will create a location (or place or some name like that) namespace and move the properties into there"
This is an extension for the Pure Web Brilliant: Social Graph control plugin ( http://wordpress.org/extend/plugins/kevinjohn-gallagher-pure-web-brilliants-social-graph-control/ )