sub authorize_linkedin {
    my $token = $linkedin->request_tokens(
        code  => $data{'code'},
    );
    print "Content-type: text-plain\n\n";
    print "ERROR: $data{'error'}\n\nMessage: $data{'error_description'}\n\n";
    print "TOKEN: $token\n";
    print $data{'code'};
    exit 0;
}