Horizontal social networks.

Horizontal social networks:  Are used from ommunities who have diverse interests and a wide variety of reasons for using the application.

Facebook: This application llows groups of friends to publish both public and private messages with text, links, news, photos and videos.







Twitter: Users publish short text messages with no more than 140 characters, which is called microblogging.







Google+: The social network allows users to create circles of friends in order to share information. They can share photos and public or private communites.