One commenter wanted to know if the site exempts paying users from "diagnostic tests." "I decided to give money to this company because I appreciated that it provided a free dating service while other sites charge through the nose for inadequate services wrote."Users of hook up sites, most of whom lie regularly in their postings, upset because the site is being deceitful?" wrote.OkCupid has far more goodwill from users than Facebook, but experimenting on its users still rubbed some people the wrong way.

One of them involved deceiving users about how compatible they were in order to see if there were sparks between people OKCupid's algorithms deemed a poor match, and sparks between people destined for each other who were told they weren't.This is the message the company sent the affected users several days after the "test" was concluded: Dear nameA, because of a diagnostic test, your match percentage with nameB was misstated.

In a remake of Romeo and Juliet, it'll be an AI trying to keep the lovers apart instead of warring families.There were a mix of responses to the OkCupid revelation on the OkTrends blog, including many people upset about the idea of being part of experiments.