Discuss Web 2.0 from an equatorial perspective.

Semicircle inscribed in square using GeoGebra #math geometry

Is Plurk blocked in China?

Promoting math or maths via social networks

#math #edu Mathematics blog as PDF download from Scribd bit.ly/OIOFj Online at cmcallister.vox.com/ Comments welcome.

Math or maths blog as PDF download from Scribd.com

Blog about human rights: "Thinking Upstream". In PDF format in several languages on Scribd.com.

math/maths discussions at http://mathematics24x7.ning.com/

Imprisoned journalists and bloggers. Links to online news about their cruel treatment.

updated math,maths,mathematics discussions on Friendster.com