Social media guru shares his secrets
Andrew Bleeker is a social media guru who was instrumental in President Barack Obama's 2012 re-election campaign.
It was one of the biggest digital political campaigns in history.
But since then, he has been helping businesses, rather than politicians, in marketing their brands and products.
He talked to the BBC's Sharanjit Leyl about how he gets people to pay attention.
18 Jul 2013
- From the section Business