In this segment from Thursday's Investor Beat, Motley Fool analyst Matt Koppenheffer takes a look back at Facebook (NASDAQ:FB) after the announcement of its $19 billion purchase of WhatsApp, and discusses why he doesn't think we've heard all the details involved here just yet. He references a potential bidding war that may have occurred leading up to the acquisition between Facebook and Google (NASDAQ:GOOGL), noting that Google recently offered to buy the service for $10 billion, an offer that was turned down. Matt will be keeping a close eye on future emerging details, to see what Facebook ultimately plans to do with the messaging service.

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