'Snap Maps' puts users and their 'snaps' onto a map so friends and other Snapchatters can see where they are and what they are doing.

It has raised a lot of concerns amongst child safety experts.

The NSPCC advise that young people should set Snapchat to 'ghost mode' which means that no one can see your location.

Please read more about how to safely use Snapchat (on the BBC Newsround page) by clicking the picture.