Though some may confuse it with a certain stretchy garment, Yandex is in fact Russia's largest tech company. It's a search engine, marketplace, taxi hailer, food deliverer, music streaming platform and a lot more. But Russia's invasion of Ukraine has brought its share price crashing down and forced many of its staff to flee Russia. So what next for Yandex and its tens of millions of Russian users? FRANCE 24's tech editor Peter O'Brien has more.