More than 628.8 million people aged 18-34 years have a Facebook account. After more than a decade of functioning of the social networking site, its further development is dependent, inter alia, of user loyalty and willingness to continue actively use this tool of communication. Popularity portal...

The development of information technology has brought about massive change in the way people conduct their daily activities. These changes are reflected in both in economics and consumer behavior. Mobile applications come to support consumers in their daily activities, but it also implies new...