In our own investigation, within two weeks of following the kind of content 13-year-olds in Reading follow on their accounts, our imaginary teenager "Sam" was recommended posts of people showing off knives, knives for sale and videos glorifying violence.

อ่านต่อได้ที่  :  โรงเรียนวัดเพ็ญมิตร

สาระน่ารู้ :  Resveratrol