Editor's note: Experts from across the world were invited to present papers at the Fifth Beijing Forum on Human Rights, which focused on Science and Technology, Environment and Human Rights, in Beijing from Dec 12 to 14. Excerpts from some of experts' papers follow:

Is free Net a promotion or threat to rights?

Today one in three Internet users compares the right to free Internet access with the need for fresh air, water and food. Any restriction on accessing the world's information network is taken as deprivation of voting right or violation of the freedom of speech.