Google Assistant takes on Amazon and Apple to be the ultimate digital butler

Alphabet's flagship company unveiled smart speaker Google Home, which it says will let people turn on their lights and surf the web, among other things

Google has joined the war to be your digital butler.

Speaking to a packed amphitheater of developers here, Alphabet's flagship company on Wednesday unveiled a hot-rodded personal assistant it says will let people control their homes, book movies, search the internet, ask follow-up questions about an Italian restaurant and sort through dog pictures using voice commands.