Why Leonardo DiCaprio and World’s 2nd Richest Man Are Backing Instagram Rival

Actor Leonardo DiCaprio and CEO of Mobli 2.0 Moshiko Hogeg attend Mobli 2.0 Launch Party at Kenichi on March 10, 2012 in Austin, Texas. Photographer: Vivien Killilea/Getty Images for Mobli 2.0

Mexican billionaire Carlos Slim thinks he knows something about photo-sharing apps that Mark Zuckerberg doesn’t.

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