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Now playing Next world news New tools for new movements: Using social media for civil good 17/10/2013
Now playing Next Germany Germany's Social Democrats agree to start coalition talks with Angela Merkel's conservatives 17/10/2013
Now playing Next United Kingdom Should prisoners have the right to vote? No, says UK's supreme court 17/10/2013
Now playing Next United Kingdom UK energy firm British Gas left red-faced after Twitter move backfires 17/10/2013
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Now playing Next India Revealed: India is home to nearly half of world's 30 million modern-day slaves 17/10/2013