benefits. 350 351 Studies related to Wikipedia has been using machine learning and artificial intelligence to support various operations. 68 In certain cases, all editors are allowed to submit modifications, but review is required for some editors, depending on certain conditions. (See also Mobile access.) Search engines Some web search engines make special use of Wikipedia content when displaying search results: examples include Bing (via technology gained from Powerset ) and DuckDuckGo. "Can History be Open Source? Retrieved geile oma gezocht oude vrouwensex December 28, 2016. Retrieved July 22, 1 maint: Archived copy as title ( link ), accessed July 21, 2014. Retrieved October 8, 2015. Review with urgency copyright law (in Italian). Retrieved August 13, 2014.