|8||How do I influence people on Facebook and Twitter?|
To study a network, we have to study both its topology (the graph) and its functionalities (tasks carried out on top of the graph). This chapter on topology-dependent influence models does indeed pursue both, as do the next two chapters.
Started in October 2003 and formally founded in February 2004, Facebook has become the largest social network website, with 900 million users worldwide as of spring 2012 at the time of its IPO. Many links have been formed among these nodes, although it is not straightforward to define how many mutual activities on each other’s wall constitute a “link.”
Founded in July 2006, Twitter attracted more than 500 million users in six years. ...