How do street art practices resonate through the digital world, and how do we trace such resonance back to the street? More generally, what happens when the sensor-imbued city acquires the ability to see – almost as if it had eyes? Andrea Baldini (Nanjing University) reflects on the role that the Internet, and social networks, in particular, have had in boosting the circulation of graffiti and street art and, in turn, their communicative and denouncing power.

For the 2019 Shenzhen Biennale of Urbanism\Architecture (UABB), titled "Urban Interactions," (21 December 2019-8 March 2020) ArchDaily is working with the curators of the "Eyes of the City" section to stimulate a discussion on how new technologies might impact architecture and urban life. The contribution below is part of a series of scientific essays selected through the “Eyes of the City” call for papers, launched in preparation of the exhibitions: international scholars were asked to send their reflection in reaction to the statement by the curators Carlo Ratti Associati, Politecnico di Torino and SCUT, which you can read here.