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.
More top news
The ex-combatants were sworn in on Friday.
The schoolgirl was found dead on the Isle of Bute on July 2.
The young prince and his family are rumoured to be holidaying in the Caribbean.