Will it be another closed-garden communication app, or will it follow established standards? (eg. this XMPP extension that allows for location/activity statuses

Will it be another closed-garden communication app, or will it follow established standards? (eg. this XMPP extension that allows for location/activity statuses http://xmpp.org/extensions/xep-0163.html http://xmpp.org/extensions/xep-0163.html)