A father from Sussex is calling on the technology giant Apple to tighten up its safeguards after his son ran up a bill of almost four thousand pounds online.
Seven year old Faisal Shugaa from Crawley had been playing a video game on his father's iPad.
Apple has agreed to refund the money, and says its software lets parents control how much their children spend.
Malcolm Shaw spoke to Faisal and his father Mohamed, and technology expert Ian Dunton.
Two men from Sussex are clearly of the computer generation - because they'll be celebrating on Friday by playing 30 of their favourite video games for 30 hours. Andy Dickenson went to find out why.
You can support Liam Fitzgerald and Joel Watson in their charity event here.