A stock image of a '9-to 10-year-old-girl", the same image edited with an aging filter, and a knife for 'purchase' (Image: Supplied)
A stock image of a '9-to 10-year-old-girl", the same image edited with an aging filter, and a knife for 'purchase' (Image: Supplied)

A demo of a tool used to estimate age using facial analysis that is being promoted as a way to stop underage children from accessing social media or online pornography can be fooled using an aging filter on a popular photo-editing app.

Raising the minimum age for social media has public support, as governments around the world are struggling with ways to restrict children from accessing restricted content online because of the privacy concerns about uploading a government identification to prove their age.