“Our model predicts nearly complete racial integration upon the emergence of online dating, even if the number of partners that individuals meet from newly formed ties is small,” say Ortega and Hergovich.
And there is another surprising effect. The team measure the strength of marriages by measuring the average distance between partners before and after the introduction of online dating. “Our model also predicts that marriages created in a society with online dating tend to be stronger,” they say.
https://www.technologyreview.com/s/609091/first-evidence-that-online-dating-is-changing-the-nature-of-society/