Arab Spring Quantified (IMAGE) University of Washington Caption A Libyan rebel waves the flag of his country while standing atop a tank captured from the forces of Moammar Gaddafi. Like other Arab rebellions this year, the fighting has been focused and driven by social media. Credit Hussein Elkhafaifi Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.