Google unveils Google Home, to compete with Amazon's Echo

By Deborah M. Todd MOUNTAIN VIEW, California (Reuters) - Alphabet's Google Inc unveiled its answer to Amazon's Alexa virtual assistant along with new messaging and virtual reality products at its annual I/O developer conference on Wednesday, doubling down on artificial intelligence and machine learning as the keys to its future. Google Chief Executive Sundar Pichai introduced Google Assistant, a virtual personal assistant designed to perform voice-controlled tasks, along with the tabletop speake