Before revision: Urban design A warning sign in Osaka In Chongqing, China, the government constructed a dedicated smartphone-sidewalk in 2014, separating the phone users and the non-phone users.
After revision: Problematic mobile phone useUrban design A warning sign in Osaka In Chongqing, China, the government constructed a dedicated smartphone-sidewalk in 2014, separating the phone users and the non-phone users.