Google virtual home assistant to challenge Amazon Echo

Google on Wednesday unveiled a virtual home assistant device that brings together the Internet titan's strengths to challenge Amazon Echo. Google Home, about the size of a stout vase, will hit the market later this year, vice president of product management Mario Queiroz promised at the opening of the Internet giant's annual developers conference in the Silicon Valley city of Mountain View. Home devices will incorporate new Google virtual assistant software introduced by chief executive Sundar P