What conclusion do Finkel et al 2012 make when comparing online and offline dating?

Finkel and colleagues (2012) summarize that online dating sites provide users with three key services: 1) unprecedented access to potential dating partners, 2) the ability to communicate using mediated channels before determining to meet FtF, and 3) the option of being matched using romantic compatibility algorithms.

How many couples meet offline?

Rosenfeld, a lead author on the research and a professor of sociology in the School of Humanities and Sciences, drew on a nationally representative 2017 survey of American adults and found that about 39 percent of heterosexual couples reported meeting their partner online, compared to 22 percent in 2009.