Children and in-app purchases
Are you worried your children could run up a huge bill playing costly smartphone games?
Although many app-based games are free to sign up to or download, they can encourage in-game purchases which can lead to kids racking up big mobile bills.
Ofcom has produced a series of video guides which explain how you can turn off or password protect in-app purchases.
They provide step-by-step instructions for how you do this on some of the most popular handsets.