Black Hat SEO: Worst practices, software and gimmicks to avoid.
CommercialAlert Complaint to the FTC: Details CommercialAlert's 2001 complaint of deceptive advertising in search results, and the FTC's ruling from 2002.
Customer's Guide to Ethical Search Engine Optimisation: A series of articles that help discern ethical search engine optimisation services from unethical ones. Advice on how to deal with unethical providers and how to reduce the risk of investing in such services is also included.
FTC Halts Internet Pagejacking Scam: Documents how the FTC stopped a scheme to mislead consumers to porn sites via search engines. First time a government agency asserted regulatory authority over search engine listings.
Nigritude Ultramarine FAQ: Originally created for an SEO contest, this FAQ answers a wide range of questions about search engine optimization with a focus on the ethics of various SEO techniques.
ScreenSpam.org: Effort to discourage companies from using across-the-screen 'rich media' advertisements.
Search Engines: Economics & Ethics: Talks about the difficulties in getting listed in a search engine and search engine ethics implications.
The Classification of Search Engine Spam: Offers a guide to search engine spam that allows search engine marketers to objectively evaluate actions to see whether those actions equate to spamming a search engine. Aims to provide the basis of an industry standard.