Bing (search engine) search engine they believed was better when its results were presented without branding, similar to the Pepsi Challenge in the 1970s. This poll was nicknamed "Bing It On". Microsoft presented a study of almost 1,000 people which showed that 57% of participants in such a test preferred Bing's results, with only 30% preferring Google. Bing censors results for "adult" search terms for some regions, including India, People's Republic of China, Germany and Arab countries where required by local laws. However, Bing allows users to change their country or region preference to somewhere without restrictions, such as the United States, United
Web search engine formed the basis for W3Catalog, the web's first primitive search engine, released on September 2, 1993. In June 1993, Matthew Gray, then at MIT, produced what was probably the first web robot, the Perl-based World Wide Web Wanderer, and used it to generate an index called 'Wandex'. The purpose of the Wanderer was to measure the size of the World Wide Web, which it did until late 1995. The web's second search engine Aliweb appeared in November 1993. Aliweb did not use a web robot, but instead depended on being notified by website administrators of the existence at each site