Antonio Martinez Velazquez, independent researcher on Internet and its impact on society, politics and democracy. It is dedicated to the defense of freedom of expression and access to information as ARTICLE19 organization spokesman for Mexico and Central America, and developing a program of digital rights for latinamerica. Blogger, has written for Foreign Affairs Latinoamerica and other publications in the region, is co-author of "CiudadanosMX: twitter and political change in Mexico.