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As the latest gadgets are unveiled at the IFA technology show in Berlin, we find out just how smart the newest phones and watches really are.

We hear from San Francisco on the latest controversy about the way the taxi app Uber treats its drivers.

Plus - are people getting paid to write promotional articles on Wikipedia? The co-founder, Jimmy Wales, tells us how the site's volunteers are cracking down on so-called sockpuppet accounts.

Rory Cellan-Jones is joined in the Tech Tent by Will Dunn, editor of Stuff magazine, and 麻豆官网首页入口 tech reporters Jane Wakefield in London and Dave Lee in San Francisco.

(Photo: Visitors walk past a display at IFA. Credit: AFP/Getty Images)