At Google I/O 2017, Sundar Pichai highlighted significant user statistics, including 800 million Google Drive users and 2 billion Android device users. Key announcements included advancements in Google Lens, the introduction of second-generation Tensor Processing Units for machine learning, and updates to Google Assistant and Google Home. Additionally, Google plans to enhance Android with the Android Go project targeting entry-level devices and introduced updates for VR and other services.