Today, the industry is dominated by the likes of Match.com, owned by the media entrepreneur Barry Diller, and eHarmony, which was founded in 2000 by Neil Clark Warren, then a 66-year-old psychologist.

WSJ: Book Review: Love in the Time of Algorithms

It was launched, in 2000, by Neil Clark Warren, a clinical psychologist who had spent three decades treating and studying married couples and working out theories about what made their marriages succeed or fail.

NEWYORKER: Looking for Someone

John Reese, editor of the Validea Hot List, has set up stock screens that mimic the investing criteria of the some of the most skilled investors on record--guys like Warren Buffet, Benjamin Graham, Peter Lynch, William O'Neil and about a half dozen more.

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