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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The couple made the announcement last night in Los Angeles at the premiere of his latest film Doctor Strange.
Mostly dry tonight with some clear periods leading to chilly temperatures rurally.
The historic Schiaparelli lander appears to have been smashed after crash-landing onto the red planet, the European Space Agency said.