New cable connections bump up Cuba's connectivity; Google may use blimps to build wifi networks in the developing world; Vkontakte temporarily blacklisted in Russia.

Accidental, secret blocking of 1200 websites worries Internet users in Australia; two Internet blackouts in two weeks in Syria; disruptions to Internet and SMS in advance of Iranian presidential elections.

A recent paper from Harvard University researchers Gary King, Jennifer Pan, and Margaret E. Roberts contains a neat "censorship magnitude" graph showing which types of social media posts are most and least likely to be taken down by Chinese censors.