On Tuesday Facebook reorganized the duties of its product executives, in the process creating an unusual new division: David Marcus, formerly head of Facebook’s Messenger app, will now lead a team of fewer than a dozen people dedicated to blockchain technology, according to Recode. He’ll be joined by notable executives including Kevin Weil, former VP of product at Instagram, and James Everingham, VP of engineering at Instagram. It’s not clear what the company is up to here.

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