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Twitter launches curation tool for customised timelines

Twitter announces a new way for users to curate and share their own themed tweet streams, Google's Motorola launches a low-cost smartphone and Justin Bieber financially backs a "selfie" sharing app.

BBC Click's Spencer Kelly looks at these and other tech news stories.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.

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