My question is simple yet complex. I am eager to get started on an internet business and will be starting a business plan next month for a site that I would like to operate such as www.ratemyprofessor.com. Anyone has access to this community site to view and generate thier opinions about certain college teachers. I understand you can pay for an extended service to view all profiles but I want to create a free to use site for anyone. I am wondering what are the internet segments (market segments) to generate revenue such as the site above. How do they make money and what are different ways that internet businesses make money??? (advertising, if what kind? How does it work?) Things along these lines! Thanks for anyones help!

