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Monday, March 4, 2013 - Page updated at 04:30 a.m.

Book review
The billion-dollar business of online dating

By Claudia Deane
The Washington Post

‘Love in the Time of Algorithms: What Technology Does to Meeting and Mating’

by Dan Slater

Current, 255 pp., $25.95

If Nate Silver’s rise to cult status teaches us anything, it’s that algorithms can be sexy. And what’s sexier than using them to find sex itself?

Dan Slater’s “Love in the Time of Algorithms” explores the history and modern-day implications of the explosive growth of online dating, now a $2 billion business in North America. His book offers an interesting history of computer-aided matchmaking, an anthropological look at online dating behavior and social network-style profiles of some of the (seemingly all male) founders of the era’s biggest online dating success stories, including OkCupid, Plenty of Fish, Match and eHarmony.

Interspersed are short excerpts from the dating life and times of Alexis, a 20-something woman who’s swinging it online and otherwise in New York. Maybe if you’re a young urban hipster — the kind of person who believes that “privacy was something old people fussed over” — these excerpts won’t raise your eyebrows. But otherwise, prepare to experience future-oriented despair.

Of course, there’s something for everyone online, as Slater is quick to point out. Take for example,, a site that specializes in promoting dating options for married people
(tagline: “Life is short. Have an affair”). How much do you want to know about or

Behind Slater’s engaging reporting lurks the mystery of whether science can actually predict love, even with the most nuanced computer program as its handmaiden. And the ultimate question: What does the ability to connect with streams of ostensibly eligible people at any given moment do to our ideas of courting, commitment, monogamy and even marriage? Slater considers all these issues in an intelligent, edgy, thought-provoking way. It’s worth at least a speed date.

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