6An Introduction to Twitter[EB/OL]. <http://www.ukoln.ac.uk/cultural-heritage/documents/briefing -36, 2009-05-01.>.
77 things you should know about...Twitter[EB/OL]. <http://www..educause.edu/eli July 2007, 2009-04-27.>.
8An Introduction to Miero-blogging[EB/OL]. <http://www.ukoln.ac.uk/cultural-heritage/documents/briefing -35, 2009-04-28.>.
9Katie Ash.Educators Test the Limits of Twitter Micro blogging Tool[EB/OL]. <http://www.edweek.org/dd/articles/2008/06/24/01 twitterwe b.h02.html, 2009-04-29.>.
10Gabriela GROSSECK, Carmen HOLOTESCU.CAN WE USE TWITTER FOR EDUCATIONAL ACTIVITIES? [J].The 4th International Scientific Conference eLeaming and Software for Education Bucharest, April 17-18, 2008.
