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Earlier this year Google faced criticism over its plans to digitize the world's library. But a new project called GAP, Google Ancient Places, has excited scholars and others interested in classical history, as it aims to re-map the classical world brought to us in the past by historians such as Herodotus. Elton Barker and Leif Isaksen explain how Google earth might have looked two thousand years ago.

Stuttering can be debilitating and very undermining of a person's confidence. But a new technological tool offers to supplement those other techniques already to hand to help those who stutter. VoiceAmp employs technology through an ear piece, or through their handset on the phone, that includes delaying the feedback slightly so that the speaker effectively talks in tandem with themselves. Alan Falck from VoiceAmp joins Digital Planet to explain how the technology works.

The old adage goes that it sometimes 'takes a thief to catch a thief'. Might that sentiment also be applied to internet security? Delegates at the Hack in the Box event in Amsterdam earlier this month certainly seemed to think so. As Jonathan Kent reports, the best way to prevent a system being hacked might be to employ or learn from a hacker.