Internet Marketing Services

build a website that explains/sells publicizes your service (you didn’t say what it is)

then spend time getting it listed in the big search engines and sites that people who might be listed will visit.

you can also consider paid averts.
References :

List Building
SEO
Email marketing
Social Networks… facebook, myspace, twitter
Blogging
Fourms
Joint Ventures with other marketers

Tons of ways all of which have there own pros and cons and both take two things… Time & Money which all depends on how fast you want to excel.

Hope all works well on your search!
References :

The internet is built with multitudes of uses, you can maximize it by marketing your services or products through:

- keyword research
- copywrting
- web content writing
- directory submissions
- blog postings
- article submissions
- link exchange
- email marketing
- forum postings
- blog commenting
- web design and development
- affiliate marketing
- buzz marketing
- joining internet marketing groups and communities
- social bookmarking
- video submissions
- link baiting
- long tail linking

hope this helps.
References :
http://www.sitesource101.com

post your product in a lot of social sites.
References :
http://webmarketingexperts.com.au/