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
Distributed search engine Distributed search engine A distributed search engine is a search engine where there is no central server. Unlike traditional centralized search engines, work such as crawling, data mining, indexing, and query processing is distributed among several peers in a decentralized manner where there is no single point of control. In April 2000 several programmers (including Gene Kan, Steve Waterhouse) built a prototype P2P web search engine based on Gnutella called InfraSearch. The technology was later acquired by Sun Microsystems and incorporated into the JXTA project. It was meant to run inside the participating websites' databases creating a P2P network that