The mobile provision of social networking services including integrated voice, pictures and music over IP lead to the success of companies such as Snapchat, Skype WhatsApp, Twitter or Spotify.. Understanding the rapid international diffusion of these companies' mobile integrated services,...

With the rapid development of information and communication technologies, various online shopping platforms have emerged. To understand the success of platform strategies, it is important to verify the features that are important to attract sellers. To estimate the economic value of free...