This feature is primarily designed for self-portraits (selfies) or group photos where the photographer also wants to be in the shot without using a timer. Variations and Related Tools

"Sonríe" is a feature available on some newer digital cameras and smartphones (specifically those with ) that automatically triggers the shutter when a subject smiles. How it Works

The software scans for facial landmarks and waits for the corners of the mouth to lift and teeth to show before taking the photo.

It is often found under the "Smile Shutter" or "Smile Capture" menu in camera settings.