Chemistry.com is a fraud. Once they have your profile information, it does not matter if you resign, or hide, your profile, they continue to use it to send to their new members. Most of the "matches" are nonexistent, or have resigned (probably in disgust). I have repeatedly sent them messages to discontinue using my profile only to have many additional "matches" sent to me. The number of "matches" and the frequency has increased since resigning. Translation: they will use your profile information forever! I tried to... read full review »