What does the blue dot mean on OkCupid?

According to an post in october on the okcupid blog its supposed to indicate this: Members with a blue message icon around their photo in your likes section are people youve already shared at least one message with

Can you appear offline on OkCupid?

Incognito Mode is a paid subscription on OkCupid. With the subscription, you get: No ads. Your profile is invisible to everyone on the site unless you like or message them.