digital native/ ˌdɪdʒᵻtəl ˈneɪtᵻv / noun
a person who grew up using computers, smartphones, etc., and uses them in a way that is completely natural:
Digital natives seem to have the ability to learn new applications with ease.
The opposite is digital immigrant:
Don’t write old people off as digital immigrants – some of us are more tech-savvy than the youngsters!
Read all about it: Stop the world – I want to get off!