adults say they have ever used a dating site or app, but this varies significantly by age and sexual orientation. adults in October 2019:ġThree-in-ten U.S. Here are 10 facts from the study, which is based on a survey conducted among 4,860 U.S. A new Pew Research Center study explores how dating sites and apps have transformed the way Americans meet and develop relationships, and how the users of these services feel about online dating. In the more than two decades since the launch of commercial dating sites such as, online dating has evolved into a multibillion-dollar industry serving customers around the world. Lesbian, gay or bisexual adults are roughly twice as likely as those who are straight to say they have ever used a dating site or app.