Google I/O 2018: Day 1 at the annual developers conference

Google CEO Sundar Pichai talks about Google Assistant during a product event in San Francisco. Google is likely to again put artificial intelligence in the spotlight at its annual developers conference. (Photo:AP)

Jorge Cuadros, left, gives a demonstration of a robotic retinal camera to a reporter at the Google I/O conference in Mountain View (Photo: AP)

A group of people watch as a Google Assistant software development kit poster maker draws on voice command at the Google I/O conference (Photo: AP)

Google CEO Sundar Pichai speaks about Gmail features at the Google I/O conference in Mountain View (Photo: AP)

Google CEO Sundar Pichai speaks about YouTube break reminders at the Google I/O conference. (Photo: AP)

Google CEO Sundar Pichai speaks about managing kids' screen time at the Google I/O conference. (Photo: AP)

Waymo CEO John Krafcik speaks about Google's self-driving cars at the Google I/O conference in Mountain View (Photo: AP)

Google's Aparna Chennapragada speaks at the Google I/O conference in Mountain View about latest developments in Google Maps (Photo: AP)

Google CEO Sundar Pichai speaks at the Google I/O conference in Mountain View. Google’s digital assistant will call actual people at businesses to make restaurant reservations and hair appointments and check holiday hours. (Photo: AP)