It’s become a commonplace event – someone loses something valuable on public transport and then uses the power of social media\’s network effect to get it back.
But what is interesting about the case of Ramzan Karmali and his missing wallet is that, to put it politely, his network is minuscule.
Ramzan is a BBC business producer, a cheerful former City trader who sits opposite me in Broadcasting House. On Thursday evening however he wasn’t so cheerful when he got off the suburban train home to find he’d left a bag containing his wallet behind.
Now Ramzan isn’t the most prolific user of social networks – on Twitter he has just 160 followers – but he thought it was worth trying to send out an alert. So he tweeted this: