How do you find a new search engine if all you know is Google? Typing “search engine” into the usual box might lead you to Microsoft’s newly launched Bing, the combined search at Dogpile, or the former king of search, Altavista.
But for those willing to dig around, searching for search engines can reveal a treasure trove: The net is rich with specialized search services, all trying to find a way to get their slice of the billions of dollars Google makes every year answering queries.
For this article, we surveyed some 50 specialty search services and picked out our favorites. What follows is not a systematic ranking or review, but a general guide to a very vibrant world that few have bothered to explore in depth.