There are many new search engines (more than 100 according to the latest statistics) that are pioneering some innovations in search technology. Below is a list of 17 major search innovations, which we believe will be disruptive in the future (Translator's note: for more on disruptive innovation, please see here). These innovations fall into four categories: query preprocessing; information sources; algorithm improvement; result visualization and post-processing.
Translation: http://www.yeeyan.com/articles/view/convertible/862