Links:
[1] http://www.edutopia.org/sara-ring
[2] http://www.facebook.com/edutopia
[3] http://www.wikipedia.org
[4] http://www.edutopia.org/blog/web-20-21st-century-skills-collaboration-digital-citizenship
[5] http://www.edutopia.org/inquiry-project-learning-research
[6] http://www.educationworld.com/a_tech/archives/interactivity.shtml
[7] http://www.eschoolnews.com/resources/measuring-21st-century-skills/measuring-21st-century-skills-articles/index.cfm?i=54581&page=1&rc=1
[8] http://www.edtechmag.com/k12/events/updates/global-collaboration-and-learning.html