Tinder, which seems to be the preferred dating and hookup app of all my friends. You can also choose how far away the people you match with can be, your location, the gender of people you'd prefer to see, and the age range you're interested in. Conversely, you can also swipe right, of course, to express interest, and left to pass. By Aaron Smith and Monica Anderson Digital technology and smartphones in particular have transformed many aspects of our society, including how people seek out and establish romantic relationships. Tinder is probably Match Group's most prolific portfolio company, and is known for pioneering the "swipe right" feature that has since been adopted by nearly every other major dating app. But it still means that one-third of online daters have not yet met up in real life with someone they initially found on an online dating site. You can tap the heart button if you're interested in a person's profile, or the X button if you're not.