Surf´s up: social network services and analyses

Social network utilities have become worldwide phenomena that continue to attract scores of Internet enthusiasts. For example, there is the notion of the blogosphere, which is characterized by communal determination to share information and viewpoints. Weblogs are written as personal diaries that sometimes combine subjective thoughts with journalistic reporting. Capabilities of individual authors range from private novices to professional correspondents. Entries usually focus on specific topics and may contain hyperlinks to other relevant resources.