>>CPAN has some commonly needed library that they don't. There is a long tail for libraries, too. That is, the sum of all seldomly needed libraries is big. So

>>CPAN has some commonly needed library that they don't. There is a long tail for libraries, too. That is, the sum of all seldomly needed libraries is big. So you will often find yourself in need of libs where you'll get a better hit rate on CPAN.