At any point, if a woman decides she's not interested in him, she can turn off the light on her podium which triggers a heart-sinking electronic pulse sound to communicate her rejection.
Ugly, or otherwise unappealing, guys are often rejected by most or all of the women quite quickly.
The user base reached 1 million in July 2007, and 10 million in April 2008.
In December 2008 VK overtook rival Odnoklassniki as Russia's most popular social networking service.
It is rumored that the rest of the cast members will join them at a later date.