Facebook has announced its new "Graph Search" at its headquarters in San Francisco, California.
Its chief executive Mark Zuckerberg said the company's mission "is to make the world more open and connected", Engadget website reports.
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This was despite more than a fifth experiencing delays of more than three hours, a Which? survey revealed.
Michael Haines said he wanted to continue his brother's legacy so he would be remembered for his good work rather than his death.
Tomorrow should be a bit quieter in most places, with lighter winds and some lovely winter sunshine.