Last year, we (a couple of people who knew nothing about how voice search works) set out to make a video about the research that’s gone into teaching computers to recognize speech and understand language.

Making the video was eye-opening and brain-opening. It introduced us to concepts we’d never heard of – like machine learning and artificial neural networks – and ever since, we’ve been kind of fascinated by them. Machine learning, in particular, is a very active area of Computer Science research, with far-ranging applications beyond voice search – like machine translation, image recognition and description, and Google Voice transcription.

So… still curious to know more (and having just started this project) we found Google researchers Greg Corrado and Christopher Olahand ambushed them with our machine learning questions.

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