JSON

JSON (JavaScript Object Notation)

http://www.json.org/

Java
http://code.google.com/p/google-gson/

Javascript & Node.js
var vcard = { lastname: "DONSEZ", firstname: "Didier", birthday: new Date, email: "dd@moi.org", phones: ["+33 123456789", "+33 653456789"], };   var message = JSON.stringify(vcard);

var vcard2 = JSON.parse(message);