Wearing earphones and immersing yourself in your smartphone at a restaurant...Is this a sign of "paying attention to your surroundings"?

Roughly speaking People wearing earphones at restaurants and not being aware of their surroundings have become a hot topic. According to Dr. Takanori Endo, if you are too absorbed, it becomes easy to overlook changes in your surroundings. Those with an annual income of 10 million yen or more tend to spend more than 20 hours a week studying. Read article