Yandex and Facebook had a notable run-in last year when a team of developers from the Russian search giant created a social search app called Wonder, which Facebook promptly blocked, leading to it shutting down. But in reality the two sides have been working together since 2010, and today comes the latest chapter in the collaboration. Yandex is launching a social search feature that will serve Yandex visitors related, real-time public posts from Facebook alongside other search results. Yandex, which accounts for around 60% of all searches in Russia, will also use Facebook firehose data to help provide more relevant results.
From what we understand, this is a non-commercial deal, with access to the firehose free. Yandex would not comment on whether it would eventually add commercial elements — say, around search ads.
The only other search engine that uses Facebook in its results is Bing in the…
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