This project involved development ofa web bases blog commenting software from background. Most challenge was to make posting of comments to blogs. To achive this we implemented API of http://linksiq.com/. Application consists of thwo main aprts: Back-End, where admin can check reports, manage users, subscriptions, bulk emails; Front-End, where user can create campaign for posting comments. For eCommerce was implemented integration with PayPal. All designs were given by client in .psd format. For data access was used Entity Framework.