ВКонтакте для экспертов is a free Chrome extension developed by Afinium. This extension adds three familiar sections, namely "Справочник" (Directory), "Панель" (Panel), and "Карточка эксперта" (Expert Card), to the left sidebar of VKontakte, a popular social networking site in Russia.

With this extension, users can easily access these three sections that are commonly used by experts. The "Справочник" section provides a handy reference guide, while the "Панель" section offers a convenient panel for quick access to various features. Additionally, the "Карточка эксперта" section allows users to view detailed information about experts.

This Chrome extension by Afinium enhances the VKontakte experience by adding these three useful sections to the left sidebar. It provides a more efficient way for experts to access important information and features while using VKontakte.