Nigerian Billionaire Tony Elumelu Causes 'commotion' on Social Media with His Throwback Picture .

 Billionaire and philanthropist, Tony Elumelu, has wowed many people as he took social media users back to his days of humble beginning with a throwback photo .

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 The Chairman of United Bank for Africa (UBA) did this as he joined in the popular 'how it started vs how it is going' online challenge . Many gushed about how successful he has become, some drew inspiration from his story .