in your case with article; use depends on context

Referring to the Internet (capitalized) - especially as a stand-alone term or concept - you would mostly use the definite article in constructions such as yours.

However, it depends on context and sentence structure.

Example:
Internet means end for media barons, says Murdoch (headline)
see:
http://www.guardian.co.uk/media/2006/mar/14/newmedia.student...


You would also use it without the article if Internet is part of a compound noun such as Internet development in constructions such as in the example below (see first link).

Exceptions: Murdoch is sure that the Internet development scheme is working. (narrative construction within a text, emphasis on "the scheme").
But as a headline it would read:
Murdoch is sure Internet development scheme is working
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http://portal.acm.org/citation.cfm?id=316572.358299
to Internet development and research
http://www.pharmweb.net/
This page contains information on pharmaceutical publications related to the Internet and considers the applications of the Internet to pharmacy.

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Note added at 32 mins (2008-08-31 14:17:14 GMT)
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PS: Hope you don't mind me posting some information.:)