These are recommended articles about how the digital world is affecting users, mainly our students.
Most come from a website called "kidsandteensonline.com", in which you can find articles in Spanish and English. They are written by Gullermo Cánovas, an expert in the field. 
kidsandteensonline.com/2014/03/19/the-new-digital-gap-is-not-the-one-between-parents-and-children/

kidsandteensonline.com/2013/09/20/changes-in-the-brain-part-i/

kidsandteensonline.com/2013/10/29/internet-is-shaping-the-way-children-and-teenagers-read-and-process-information

Some other useful websites:

https://www.webwise.ie/parents/social-networking-advice-for-teenagers-2/

https://www.internetmatters.org/advice/14plus/resources/

http://mediasmarts.ca/privacy/resources-teachers-privacy

https://digitalliteracy.cornell.edu/privacy/dpl5000.html