Forums for discussing topics about specific search services.
Individual forums for Google by topic:

Google AdSense (398/2509)	Google AdWords (1548/12177)
Google Web Search (3365/25465)	Other Google Issues (1153/6854)

Individual forums for discussing the Yahoo! Search Engine and Yahoo Search Marketing (formerly Overture) solutions.

Yahoo Search Marketing (PPC Ads) (364/2143)	Yahoo Web Search (449/2551)
Yahoo Paid Inclusion (41/266)	Yahoo Publisher Network (24/139)
Yahoo Directory (53/254)	Other Yahoo! Issues (121/425)

Talk about the current search tools on the Microsoft Network, and MSN's plans to launch their own search technology.

AdCenter (148/817)

Bing PPC (7/49)

Topics surrounding Ask.com and Ask search technology.

Share information on other top search portals, directories and second-tier PPC engines.

AOL Search (29/113)

Open Directory Project (79/1345)

Start here for an introduction to SEM and the various issues that big and small companies face in designing a successful SEM strategy.

Marketing Small Businesses Online (26/168)	Outsourcing SEM (96/1620)
In-house & Corporate SEM (36/321)	Affiliate Issues (117/665)

Talk about specific SEO tactics for improving keyword rankings within free or paid inclusion search engines.

Link Building (711/6152)	Dynamic Website and Technical Issues (411/2342)
Blogs, RSS & XML Feeds (147/586)

Ask questions about managing campaign budgets, ad copywriting, tracking and other topics related specifically to paid listings.

Contextual Ads & Alternatives (25/96)	Content Advertising (9/65)
Profitable PPC (5/27)

How to use analytics and tools to measure Internet marketing strategies.

Google Analytics (12/50)	Measurement Tools (57/245)
Conversion & ROI (20/70)

Local Search (57/355)	Social Media and Search (22/124)
Multilingual Search Markets & Non-US Engines (152/1196)	Shopping & Comparison Engines (68/271)
News Search (10/30)

Discuss Internet user metrics, financial forecasts and viewpoints on the future of search.

Search & Legal Issues (106/1638)

General questions about contextual relevancy, ranking algorithms, heuristics and search science.

Post information about formal associations, local organizations, events and conferences related to Internet marketing and topics of interest to webmasters and SEO consultants.

Can't find something? Gather new resources and get tips for hard to find information.

Invisible - Deep Web (22/78)

Search Toolbars & Utilities (53/260)

You can yell as loud as you want in here.

For questions and discussion regarding rules, regulations and daily operations and issues related to member & moderator expectations.

Informally announce new search engine technologies or existing search related products, to get honest feedback from forum members.

Post requests to find in-house SEO help or outsource SEM work to individuals or agencies. NOTE: This is a premoderated section. Threads only appear with approval.