my $reqs = 
[ HTTP::Request->new('GET', "http://www.sun.com"),
HTTP::Request->new('GET', "http://www.perlmonks.org")  ];
#the above list of requests is not equivalent to:
@urls = ("www.sun.com","www.perlmonks.org");
my $reqs = 
[ HTTP::Request->new('GET', $urls[0]),
  HTTP::Request->new('GET', $urls[1])  ];