mechanize：WWW::Mechanize

everyday Ruby 
>> require 'mechanize'
=> true
>> WWW::Mechanize
!!!!! DEPRECATION NOTICE !!!!!
The WWW constant is deprecated, please switch to the new top-level Mechanize
constant.  WWW will be removed in Mechanize version 2.0

You've referenced the WWW constant from (irb):2:in `irb_binding', please
switch the "WWW" to "Mechanize".  Thanks!

Sincerely,

  Pew Pew Pew

=> Mechanize