There was no dedicated screening service at that time, Winchester says. Well, he did along with an acquaintance, Nick Tsinonis, who already had expertise using machine learning to help match dating site users based not on their expressed preference, but on behavior.

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If it turns out to be a model, or really anyone other than who the profile says it is, that's a scammer.

Geographical mismatches are also bad signs, such as someone claiming to be in Brooklyn when their IP address points to the other side of the planet.

Quantity of text isn’t a great indicator, says Winchester, in part because of the growing popularity of bots.

If one bot network pushes out the same garbled phrase to millions of profiles, it can quickly skew the pick-up line popularity contest.

The bigger danger comes from human interaction, where, as in those familiar scam email exchanges, the person behind the profile doesn’t want your heart; they just want your money. While the UK’s favored scammer line sounds ridiculous, the top spot in the US goes to “i am very easy going and laid back.” Okay, so it’s no Pablo Neruda.

But most people wouldn’t blink if they saw it in a real person’s profile.

Scamalytics also keeps track of the most popular pick-up lines used by online dating scammers.

That’s not to say they’re the most effective; many, in fact, perform grammatical acrobatics that barely qualify as English.

With more than 13.5 million visits a month, has the largest concentration of Catholic singles of any dating site.

Putting your particular wants and needs first is Match’s goal, so not only do they let you search by your preferred age, gender, and location but also by religion.

A recently released list, by a fraud-busting company called Scamalytics, of the top lines and photos used in profiles by online dating grifters shows that while the range of sophistication may vary, the end goal is always the same: To fleece romance-seekers out of their money.