Here's some information that might make you feel old: Online dating has been a thing for more than a decade. 

OkCupid launched in 2004 and has become so prominent that 40,000 couples go on a first date each night, according to the dating app.

Before we started inviting boos to Netflix and chill, OkCupid was "collecting data from personal match questions" since its debut. Now, the site has released data revealing how attitudes about sex have changed in the last decade: