Recent developments in machine learning have accelerated its transition from a computer science research area to a technology that drives numerous customer applications. One of the most buzzed about methods leading this transition is deep learning. At Yandex, our homegrown deep neural networks are an important part of the machine learning portfolio that helps sustain our market-leading performance in search, speech recognition and synthesis, vision applications and machine translation. At the same time, we’ve also integrated many other forms of machine learning across our products and services.