The team assigned 35 unique photo tags, such as smiling with or without teeth, to a random sample of 1,000 photos.
This allowed them to see which tags were associated with photos with lots of likes.
For socially weird or anxious or shy people, trying to meet a stranger in public is a nightmare, and even for someone charming and outgoing, it’s a grueling task that requires a lot of luck.
The findings suggest that women should smile with their teeth, men should avoid looking away from the camera, and no one should share a bathroom selfie.
Data scientists from New York-based dating app, Hinge, analysed their members' photos to reveal which profile pictures get the most likes.
So in 2030, I think we’ll be somewhere very different, and I think today’s nine-year-olds will have really incredible ways of finding love when they’re 25.
Sometimes it is just not that easy to meet that special someone.
People all over the world today are so busy and have so little free time, that going out and socializing is not high on their list of priorities.