var Session = Backbone.Model.extend({
  url: '/session'
});

var session = new Session();
session.fetch(); // Get the user authentication of the backend server.

var User = Backbone.Model.extend({
  url: '/user'
});

function signup(fullName, email, password){
  var user = new User();
  user.save({
    fullName: fullName,
    email: email,
    password: password
  });
};

function activate(id, activationId){
  var user = new User();
  user.save({
    id: id,
    activationId: activationId
  });
};

// Possibility...?
function submitInterests(id, interests){
  var user = new User(url: '/user/interests/');
  user.save({
    id: id,
    activationid: activationId
  });
}

/users/:id/interests