Those 30 million people have generated billions of pieces of data.
And because most dating sites ask users to give consent for their data to be used for research purposes, this online courting has played out like an enormous social science experiment, recording people's moment-by-moment interactions and judgments.
Because of a nondisclosure agreement, the researchers can't reveal the exact source of their subjects, describing it only as an "established, marriage-oriented, subscription-based dating site" from which they randomly selected 1855 people, all based in New York City.
“It was—unbelievably—not a crazy experience.” Online dating has certainly lost its lonely-hearts stigma.
Just look at how many people seeking dates or mates are flocking to matchmaking sites and apps.
But when Montecillo reached the section that asked for his ethnicity, he hesitated.
Montecillo, whose parents are Filipino, was born in New York and spent 13 years living in Hong Kong.