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The Security Portal – Offers an excellent collection of links and research information on a broad spectrum of Internet security issues including cryptography, mailing lists, and white papers.
Adbility.com Web Publishers' Advertising Guide – Before you hook up with any link exchange service, start with this guide for more information about the pros and cons of different kinds of services. WPAG is a critical editorial review of banner exchange programs, with warnings about common scams and pitfalls to look out for.
Authorize.net – Online credit card authorization services.
Free Banner Exchange MegaList – A great place to start your banner exchange search. This site lists only free exchanges, and helps you in selecting the right exchanges by letting you sort the exchanges by categories such as targeting, geography, credit ratio (what you get in exchange), and technical requirements.
Banner Ad Placement Study – By graduate students at the University of Michigan.
See complete listing
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E-Commerce Building Blocks
