The smartphone has become a kind of appendage with which we all go out on the street. The multitasking of walking and using the smartphone at the same time slows us down, contributes to pain, increases the risk of accidents and worsens our mood.

In 2010, a study placed a clown on a path of pedestrians; 75% of those who were talking on their cell phones claimed to have seen it. All of this can also have effects on how we walk and how we focus.