Payday firms say they make careful affordability checks. These are supposed to ensure the companies don't lend more than a borrowers can repay.
But today they admitted to a worrying blind spot. It's possible for someone to take out a series of short term loans all around the same time, without the payday firms realising the individual is becoming over-stretched.
The spokesman for Mr lender, Adam Freeman, admitted it could be 60 days before they get the information. Wonga's Henry Raine agreed that better data sharing is needed to plug the information gap.
More top news
UEFA president Michel Platini is embroiled in a row with the Confederation of African Football about the 2015 Africa Cup of Nations
A calendar by photographer Steve McCurry captures the rare and disappearing food traditions of rural Africa.
After the Finnish company was acquired by Microsoft, all its phones will soon be rebranded as Microsoft Lumia devices.