var ref = new Firebase('https://myapp.firebaseio.com/');
var auth = $firebaseAuth(ref);

auth.$createUser({
    email: user.email,
    password: user.password
    }).then(function(regUser) {

    var ref = new Firebase('https://myapp.firebaseio.com/users/')
    var firebaseUser = $firebaseArray(ref);

    var userInfo = {
        key         : regUser.uid, // ex: simplelogin:29
        date        : Firebase.ServerValue.TIMESTAMP,
        firstname   : user.firstname,
        lastname    : user.lastname,
        email       : user.email,
    }; // user info

    firebaseUser.$add(userInfo);
});

var ref = new Firebase('https://myapp.firebaseio.com/');
var auth = $firebaseAuth(ref);

auth.$createUser({
    email: user.email,
    password: user.password
}).then(function(regUser) {

    var ref = new Firebase('https://myapp.firebaseio.com/users/')

    var userInfo = {
        key         : regUser.uid, // ex: simplelogin:29
        date        : Firebase.ServerValue.TIMESTAMP,
        firstname   : user.firstname,
        lastname    : user.lastname,
        email       : user.email,
    }; // user info

    ref.child(regUser.uid).set(userInfo);
});