Tinder profiles fall into just 9 predictable visual patterns according to new research, with half-length portraits dominating 25% of dating app feeds.

“Your profile should not define you, nor should the app affect your self-esteem,” study author García Alamán advises.

Dating app users will often sit with friends as they swipe through their matches in order to gain feedback, or even hand over their phone and let their friends swipe for them. Now, that real-life ...