[Perl] Google Page Rank Script

Code:
#!/usr/bin/perl

use strict;
# use warnings;
use Google::Ranker;

if (@ARGV < 2) { &usage; exit(); }

my $url = $ARGV[0];
my $query = $ARGV[1];

my $rank = Google::Ranker->rank($url, { 
	q => $query, 
	key => "ABQIAAAAV76rbMdcHvF_HqB9sOT04RRk6pAxoAPRJX95JWh_HZe2dfAwpxS1zNHXgRjQztDNi2MvKcwhKAKHGQ", 
	referer => "http://tech.reboot.pro" });
# Uses "Google Loader" API
# Get valid key and referer from - http://code.google.com/apis/ajaxsearch/signup.html

unless (defined($rank)) { 
	print "\nSorry, the rank was undetermined...\n";
	exit();
}

print "\nWebsite URL: ".$url."\n";
print "Search Query: \"".$query."\"\n";
print "Rank: [".$rank."]\n";

sub usage {
	print q(
============================================================
|                                                          |
|       USAGE: rank.pl [website url] [search queue]        |
|        Examples: rank.pl facebook.com "friends"          |
|          rank.pl youtube.com "music videos"              |
|                                                          |
|----------------------------------------------------------|
|                                                          |
|           Google Search Query Rank Perl Script           |
|         Copyright Ace (c)2011 - Tech.Reboot.Pro          |
============================================================
	)
}

exit();