Excerpt from this article:
Staring into the lens, the survivors have found themselves able to speak candidly, without fear of identification or repercussions.
Yusuf Omar, the mobile editor at the Hindustan Times has been using the filters to disguise the faces of women he interviews, while still allowing facial expressions to be visible.
“Eyes are the window to the soul,” says Yusuf. “And because of the face-mapping technology that Snapchat uses to make these filters work you don’t lose that.
“The dragon filter one of the girls used actually exaggerated them, so you can clearly see her expressions as she speaks.