EU to approve Facebook's bid for Whatsapp: Report

European Union antitrust regulators will unconditionally approve a $19 billion offer by Facebook, the world's most popular social network, for mobile messaging start-up, two people familiar with the matter said on Thursday.

The landmark deal, the largest in Facebook's 10-year history, will give the company a strong foothold in the fast-growing mobile messaging market and pit it against telecoms companies.

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"It's unconditional clearance," one of the people said, declining to be named because the decision by the European Commission is not yet public.