How have digital technologies encouraged interactive in public space

With the rapid development of digital technologies, the social relationship between people has become mediated by images. Digital technology is changing the relationship between people as well as the development of society. In recent years, more and more artists have tried to combine art and digital technology to change the presentation form of artworks. To deeply understand and create different kinds of artistic expression. This paper focuses on How have digital technologies encourage interactive in public space based on three different types of interactive installation artworks. On this basis, consider the relationship between artworks and the public. And the possibility of new connections between people created by these new boundaries.