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My new book, Digital Revolutions: Activism in the internet age, has now been published by New Internationalist.
A year after the punk band Pussy Riot performed a protest song in Moscow's main Orthodox cathedral, the situation for freedom of expression is worsening in Russia.
A Russian court's decision not to allow Pussy Riot member Maria Alekhina to defer serving her sentence to a later date has been widely criticised.
The feeing of one defendent is only a half-measure in achieving justice for the three members of punk group Pussy Riot, human rights groups say.
Amnesty International have called for the release of three young women arrested for staging an anti-Putin song in a Moscow cathedral.