public function post_register()
    {
        try {
            // Get input values
            $email = strtolower(Input::get('email'));
            $password = Input::get('password');

            // Validation rules
            $rules = array(
                'email' => 'required|email',
                'password' => 'required|min:6',
                'confirm_password' => 'required|same:password',
            );

            // Check for duplicate email
            $email_check = User::where('email', '=', $email)->count();
            if($email_check > 0)
                throw new Exception('That email is already registered.');

            // Validate credentials
            $validation = Validator::make(Input::all(), $rules);
            if($validation->fails())
                throw new Exception($validation->errors->first());

            // Hash password via bcrypt
            $password = Hash::make($password);

            // Insert user into database
            $user = User::create(array(
                'email' => $email,
                'password' => $password,
            ));

            $credentials = array(
                'username' => $email,
                'password' => $password,
            );
            if(Auth::attempt($credentials))
                throw new Exception('Could not log you in.');

            // Send user back to homepage
            return Redirect::to('social');

        } catch(Exception $e) {
            // Fail: Return to login/register page
            return Redirect::to('login')->with('register_errors', $e->getMessage());
        }
    }