The Society is negative of any use involving the Internet. The Kingdom Ministry makes very strong comments against the use of the Internet and e-mail. Read Paragraph 17, where it says " Other individuals have disowned the Truth because of believing information provided by apostates."  This statement is the main reason why the Society doesn't want their followers on the Internet reading various web sites which expose them.
 

Taken from the Watchtower May 1, 2000 pages 8-10