Just as the gender field in RFC6350 for vcards, and for the same reasons, geographic position should feature free-form text: geography is a folksonomy - http://petewarden.typepad.com/searchbrowser/2012/04/where-am-i-who-am-i.html
Infovore, father, photography, roller-skating, cycling, Africa, Free software, open networks, adventure, wargaming, cooking and more geekery
Just as the gender field in RFC6350 for vcards, and for the same reasons, geographic position should feature free-form text: geography is a folksonomy - http://petewarden.typepad.com/searchbrowser/2012/04/where-am-i-who-am-i.html