Google IO video ako použiť JSON na prenos dát server/client, effektívne updaty na server cez PUT a PATCH.
var head = document.getElementsByTagName(‘head’)[0];
var script = document.createElement(’script’);
script.src = ‘http://picasaweb.google.com/data/feed/api/user/’ + username + ‘?alt=json&callback=callback’;
head.appendChild(script);
http://code.google.com/events/io/2009/sessions/EvolutionGoogleDataProtocol.htm
http://code.google.com/apis/gdata/docs/json.html