As I teach teenage boys I think as learners they are not too confident in voicing their opinions verbally and would rather write it down sometimes, however there is still the social aspect and face to face contact which allows them to share in other ways as well. There for I think one of the most important considerations is the medium in which the message is shared - can the participants actively construct and feedback on content that is relevant and applicable in their lives - with the case of teenagers it is more likely to be successful if it is a mobile application.
The video goes into more depth;
McLoughlin, C., & Lee, M. (2008). The Three P’s of Pedagogy for the Networked Society: Personalization, Participation, and Productivity. … Journal of Teaching & Learning in …, 20(1), 10–27. Retrieved from http://search.ebscohost.com/login.aspx?direct=true&profile=ehost&scope=site&authtype=crawler&jrnl=18129129&AN=34922480&h=2hbELsy7PLor3zzMQZEkC0oIT0X2I89MotyEU5fkmMgxx2bSgbVczg90QbRCEWVGAsUeSsHRI8%2Fc5DXYxpdz6g%3D%3D&crl=c