(The Independent) The power of computing, and the thrill of its apparently infinite possibilities, has also long been a source of fear.

Trust is everything to Google. It stands on the verge of a technological breakthrough that can transform its relationship with us. Already, it is universally recognized as the world leader in searching for information. It handles around 90 per cent of internet searches in the UK: when we want to know something, most of us turn to Google. But it wants more – it wants to become our constant companion.

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