A new opportunity of earning has appeared for many investors and flash-application developers in accordance with the growing popularity of the vkontakte site. The point is that an investor or an independent developer creates a flash application and upload it on the site. If a number of application users exceeds over 500 thousand than an owner receives revenue from targeted ads of this site. VKontakte owners give about half of their income to ad applications. It is about 3.2 RUR for one vote. Read more.