'Although the Internet is certainly used by dissidents, it is also used by the authorities to relay regime propaganda and enforce a police state,' says this report from Reporters Without Borders on the use of Twitter and Facebook in recent popular uprisings. 'The Internet remains above all a tool used for the better or the worse. In the most closed countries, it creates a space of freedom which would not otherwise exist. Its potential to disseminate news irritates dictators and eludes traditional censorship methods.'