Cell phone functionalities are continually being improved, which in turn increases the likelihood of overuse and addiction.<br /> <br />Clip1-Shutterstock<br />Clip2-Shutterstock<br />Clip3-Shutterstock<br />Clip4-Shutterstock<br />Clip5-Shutterstock<br />Clip6-Shutterstock<br />Clip7-Shutterstock<br />Clip8-Shutterstock
