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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More than 1,500 people are expected to attend the multi-faith service, including many bereaved families and survivors.
The app enables people in Devon and Cornwall to view current waiting times for local emergency departments and minor injuries units.
Hayek said Weinstein would turn up at her hotel room asking her to take a shower with him or let him perform a sex act on her.