(For gay couples, it's more like two out of every three).
The apps have been surprisingly successful -- and in ways many people would not expect.
Carbino also told Business Insider that adding a question to your profile can make it easier for someone to message you, because they already have something to talk about.
In fact, it can be terrifying to wade through thousands of nearby matches in the hopes of finding someone decent (who thinks you're decent, too).
To make things a little less intimidating, we rounded up some of the most practical online-dating advice we published this year.
Meanwhile, last year dating services including OKCupid and Match told TIME that they see big spikes in signups and activity around the holiday.
But just because you're open to finding love online doesn't mean it's easy.
Is it creating a new reality in which people actively avoid real-life interactions?
Of course, others have worried about these sorts of questions before.A couple of months ago, I was sitting at a bar minding my own business when the woman next to me did something strange.Surrounded by potential partners, she pulled out her phone, hid it coyly beneath the counter, and opened the online dating app Tinder.But the fear that online dating is changing us, collectively, that it's creating unhealthy habits and preferences that aren't in our best interests, is being driven more by paranoia than it is by actual facts."There are a lot of theories out there about how online dating is bad for us," Michael Rosenfeld, a sociologist at Stanford who has been conducting a long-running study of online dating, told me the other day.In fact, OKCupid found that women are 2.5 times more likely to receive a response to their messages than men are.