For about a week and a half now, street protests in Egypt have been the focus of world media. But it wasn't too long ago that we were seeing reports of demonstrations in Greece, Ireland and London. And in Britain, the conflicts between police and students (who've been rallying against tuition hikes) inspired a tech-savvy group at University College London to develop an app that they say will make protesting safer. It's called "Sukey" and here's how it works.

 ****This photo depicts protesters in Toronto being "kettled" during the G20 demonstration.

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