What strategy would you take to build a search engine today?
sh1mmer: I'd use one of the many search engine APIs available (BOSS, Bing, etc) to a build vertical search engine that enhances the basic results provided to me.Re-inventing crawling, relevance clustering, etc isn't worth the trouble or the cost. Finding ways to enhance a specific market segment however would be a differentiater worth pursuing.disclaimer: I work for Y!