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What is "White Hat" Vs. "Black Hat"

The search engine optimization industry is often divided into two camps. "White Hat" SEO's attempt to work within the rules and goals of the search engines.

"Black Hat" SEO's try to gain rankings using whatever methods work best, often deliberately working against the interests of the search engines and their users. Automated software tools for "Black Hat" SEO have been around almost as long as search engines themselves. SEO Genie the first major software tool to automate "White Hat" search engine optimization.

12 IT Holly Places

Those are hardly the only ones. We've identified the 12 most sacred places where IT enthusiasts can go to pay homage to the computing gods that passed before them -- or at least catch a peek at where some of the more exciting events in IT lore occurred. Fortunately, would-be pilgrims can do a lot of the traveling via the Web, saving wear and tear on the sandals and sackcloth.

Tech mecca No. 1: 367 Addison Ave., Palo Alto, Calif. [4]
Tech mecca No. 2: 2066 Crist Dr., Los Altos, Calif. [4]
Tech mecca No. 3: 232 Santa Margarita Ave., Menlo Park, Calif. [4]
Tech mecca No. 4: CERN -- Geneva, Switzerland [5]
Tech mecca No. 5: Bletchley Park, England [6]
Tech mecca No. 6: Xerox PARC -- Palo Alto, Calif. [7]
Tech mecca No. 7: Ames Lab, Iowa State University -- Ames, Iowa [8]
Tech mecca No. 8: Moore School of Engineering, University of Pennsylvania -- Philadelphia [8]
Tech mecca No. 9: IBM's "Main Plant" -- Poughkeepsie, N.Y. [9]
Tech mecca No. 10: Room 2713, Dobie Hall, University of Texas -- Austin, Texas [10]
Tech mecca No. 11: Kirkland House, Havard University -- Cambridge, Mass. [10]
Tech mecca No. 12: Lyman Residence Hall, Stanford University -- Stanford, Calif. [10]