I/O brings together developers from around the world for talks, hands-on learning with Google experts, and the first look at Google’s latest developer products. This event helps local developers take part in the I/O experience. Google I/O Extended MienTrung is an extended version of Google I/O, the year 2021 marks a cross-country event along with 2 other large cities Ho Chi Minh, Hanoi with a total scale of over 1000 participants.