When a million angry Argentines flooded the streets earlier this month to protest her government, President Cristina Fernandez decided to post a message on Twitter, but then could not stop and kept twitting.
Social media moved into a new realm in technologically backward Cuba Tuesday when Cuban President Raúl Castro's controversial daughter Mariela began tweeting and quickly got into the Twitter equivalent of a shouting match with dissident blogger Yoani Sanchez.
The Falkland Islands Government has moved into the world of micro-blogging. The global phenomenon of Twitter has been rapidly changing the way that we communicate and is widely used by international journalists as an important source of information.