Nadji.Info is the only web-based guide in Serbia that introduces visitors to places of interest. Users express opinions about the places they find, and owners learn what customers really think about them. Their challenges are business productivity mobility and cloud & server platform. They chose Microsoft to overcome these challenges. They have implemented Microsoft SQL server and Microsoft Internet Information Services (IIS); all system components are integrated using Microsoft visual studio. The results of implementing Microsoft was migrating to windows azure reduced operating costs dramatically and the transition to windows azure was accomplished with zero downtime.