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For seven hours in January 2013, Ok Cupid removed all the pictures from the app and found people actually interacted more.
Users were 44% more often to respond to a first message and contact details were exchanged more quickly compared a week prior when photos were available, according to Rudder's post.
So far the earliest date coded pens found have had the code NL for 1979, and all of these pens were made in the US.
Hence a "47" marking on a 1930's pen indicate that the pen was produced in the fourth quarter of 1937, not 1947, which is a common misconception. Good matches, even if told they weren't compatible, still connected but not as much as when they knew their actual compatibility.In another experiment, Ok Cupid asked users to rate people's looks and personalities based on their profiles.He said, "If you use the Internet, you're the subject of hundreds of experiments at any given time, on every site.That's how websites work."Three experiments In one experiment, the site told pairs they were a 90% match when in fact they were a 30% match."The worst thing could have happened [with the Ok Cupid testing] is people send a few more messages, and maybe you went on a date you didn't like."But, asks Washington Post's Brian Fung, "If you're lying to your users in an attempt to improve your service, what's the line between A/B testing and fraud?