Search engine privacy better results to that specific user and provide the user with a better searching experience. However, search engines can also abuse and compromise the privacy of the user's data by selling it to advertisers in order to gain profits. Users must decide what is more important to their search engine experience: relevance and speed of results or their privacy. The legal framework for protecting user privacy is not very solid. A few of the most popular search engines are Google, Yahoo, Bing, and Baidu, but many other search engines that are focused on privacy have cropped up recently, such as
Microsoft Bookshelf the engine would be usable for more ambitious multimedia applications. Thus they integrated a multimedia markup language, full text search, and extensibility using software objects, all of which are commonplace in modern internet browsing. In 1992, Microsoft started selling the Bookshelf engine to third-party developers, marketing the product as Microsoft Multimedia Viewer. The idea was that such a tool would help a burgeoning growth of CD-ROM titles that would spur demand for Windows. Although the engine had multimedia capabilities that would not be matched by Web browsers until the late 1990s, Microsoft Viewer did not enjoy commercial success as a