The scammers may threaten to send compromising pictures or video footage of you to your friends, colleagues or family, or post it to your networks such as Skype contacts or Facebook friends.
You can however choose to save the chat, and if either user does this, the chat is saved for both parties. Take a photo of yourself by pressing the round button at the bottom of the screen.
You can turn the camera around by clicking the top right icon.
After this you can amend your pic with the option to add emojis, draw on your picture or add a filter.
Here is a video tutorial on how to edit your pictures on Snapchat. You can now send pre-saved pictures from your camera roll to Snapchat (accessed by pressing the square at the bottom left of the screen), and amend these as above.
So, apparently Snapchat is not just for teenagers anymore.
Evidently adults need to get with the programme because Snapchat is the hot app of the moment.
Users of video services, such as Skype, should be aware of a variety of scams that may use footage and images captured without your knowledge, to blackmail you.
In one version, the scam originates from a dating website or social network site like Facebook.
This is where all those nude pictures you’ve got saved in your secret photo vault could come in handy.
If you press the same button you did to take the photograph and keep it pressed down, you can take a video of up to 10 seconds.