Briefing NEWS 11 Love in the time of algorithms Since the turn of the century, online dating has transformed how people meet each other and fall in love When was online dating invented? to support dating sites’ claims about the Matchmaking services of one kind or precision of their matching algorithms: another have been around for a long the business of long-term compatibility time. Britain’s first known lonely hearts remains mysterious. On the other hand, ad appeared in 1695, from a man in algorithms have proved good at ranking search of “a good young gentlewoman”. their customers’ attractiveness, and Marriage agencies, run by clergymen, pairing them up accordingly. When you appeared in the 18th century. By the first join Tinder, for instance, your profile early 1900s, matrimonials – newspapers is shown widely and prominently. The devoted entirely to those looking for a response you get is then used to give an spouse – were common. Computerised Elo score: a desirability rating based on services, offering to pair likely couples, a scoring system first used to rank chess entered the game in the 1960s. Online players. This then determines the profiles dating began when Match.com went live that Tinder will offer you. in 1995: for the first time, people could browse profiles of hundreds of potential So you’re objectively assessed? mates in the comfort of their own homes. Yes. Dating services have to smooth out By 2001, the website had two million supply and demand. In the younger age users, and it remains the world’s most Tinder: matched eight billion potential couples by 2015 groups, there’s a surplus of men; in the widely used dating site. older age groups, there’s a surplus of women (since older single men often seek younger women). The How popular is online dating today? technology has to ensure that certain people – usually attractive Very. The exact figures are hard to quantify, but since the turn women – don’t get all the attention. “In a bar, it’s self-correcting,” of the century, online dating has emerged as one of the main says Christian Rudder, a founder of OkCupid. “You see ten guys ways that people meet their partners (the others are via school or standing around one woman, maybe you don’t walk over and university, work, friends and family). Surveys suggest that at least try to introduce yourself. Online, people have no idea how 20% of British adults have dated online – some six million every ‘surrounded’ a person is.” Even on sites where people express month. In the US, a University of Chicago study found that 35% detailed preferences, these are often ignored if their behaviour of people marrying between 2005 and 2012 had met online gives a more reliable guide to what they really want. For instance, (though that includes those meeting on social media or online people may say they have no racial preference for their partners, forums). Online dating has grown fast since then, thanks to while clearly choosing one ethnic group over others. mobile apps aimed at younger people. Tinder, the biggest of these, launched in 2012; by 2015 it had matched more than eight billion How is online dating changing society? potential couples. Social groups that face what one study called Romantic partners used to come overwhelmingly from within “a thin market for potential partners”, such as gay people and our existing social networks. But the internet forms links between middle-aged heterosexuals, are especially likely to meet partners people whose paths would otherwise never have crossed, creating online. By 2010, 70% of US gay couples were meeting online. a society that is rapidly integrating. While causation is impossible to prove, the rate of interracial marriages, for instance, has How do online dating services work? increased sharply this century. And now that the stigma around Websites such as Match.com, OkCupid and eHarmony use online dating has greatly reduced, it will presumably continue detailed questionnaires covering everything from income to to grow – eHarmony thinks that over 50% of couples will meet political views to hair colour and exercise habits. Using profiling online by 2031. The long-term effects are likely to be seismic. algorithms (Match takes into account 1,500 variables), they offer you suitable matches. Apps, though, Has it changed relationships? are simpler: they are largely descended The University of Chicago’s study The etiquette of online dating from Grindr, the app designed to link suggested that relationships begun Online dating has developed its own rules and codes, gay men with others in the area. On online were 25% more likely to last; and at the centre of it is the profile: the curated, most apps, you set location (i.e. stylised version of yourself that you project to potential however, other researchers have partners. Photos are all-important. “Look like someone reached the opposite conclusion. “up to ten miles from me”), age and you’d want to meet,” advises eHarmony; posing with a Academics generally agree, though, gender. You’re then presented with a dog is sometimes advised, to show a caring side. But series of profiles, showing photos and on one point: the huge pool of for men seeking women, height also seems to be usually some career and education prospective partners on the internet crucial: it is often included with no other information at information. You swipe right if you poses a real problem for commitment. all. Women rarely mention their own height, but like the look of someone, and left if The Association for Psychological frequently specify the height they want in a partner. you don’t. If you both swipe right, you Science argues that reviewing multiple On dating apps, men are much more likely to swipe match, and can message each other. candidates makes us more inclined to yes indiscriminately, in the hope of matching with Endless variations on these two basic whoever will have them and figuring out later if they’re dismiss not-quite-perfect candidates models are available (many owned by in a way that we wouldn’t if we met actually interested; women tend to do the opposite. the huge Match group). Bumble only them, say, spontaneously at a party; Male behaviour is often less than gentlemanly: the unsolicited “dick pic” is an inexplicably common lets women make the first move; and that it is harder to work through practice, along with the charming acronym “DTF” Toffee is for the privately educated; difficult moments in a marriage when (down to f***), not to be confused with “DDF” (drug Bristlr is for those who have beards the promise of endless new partners and disease free). But men and women, it seems, are or love them; Ashley Madison is for is just a click away. Indeed, it would both likely to lie. OpinionMatters found that 44% of UK those seeking extramarital sex. suit the industry – which generates daters admit to lying in their profiles. OkCupid found annual revenue of about $2bn in the that men exaggerate their income by 20% and their Is the technology effective? US alone – if people were to carry on height by two inches. And a 2015 survey found that Social scientists have repeatedly found using its products, rather than doing around 30% of Tinder users were actually married. that there is no compelling evidence so just the once. 28 July 2018 THE WEEK