Text neck. This is a serious health issue (stiff necks or shoulders, headaches etc.) caused by using smartphone and tablets long time. Research reported increase in the number of people who are suffering

in Japan and whole world. Yahoo! JAPAN marked the 20th anniversary and wanted to thank those using their service on mobiles by providing to those with neck pain problems.

Firstly, we launched this movie on a platform where you can watch 360, such as Youtube and Facebook. Then we promote through internet news site and TV station.