In March 2006, Tencent launched its search engine Soso.com (搜搜; to search).[204][205] On 1 October 2012, it was the 33rd most visited website in the world, 11th most visited in China, as well as the 8th most visited website in South Korea, according to Alexa Internet.[206] It was also a Chinese partner of Google, using AdWords.[207] In September 2013, Tencent discontinued Soso.com after it invested in Sogou and replaced Soso.com with Sogou Search as its main search engine.[208]