Across the globe, social networking via the internet is on the rise. In 2012, on average, there were 850 million active users of Facebook each month and 175 million tweets each day. Consequently people’s statements, opinions and remarks have the capacity to disseminate more widely, quickly and uncontrollably than ever before. This article on defamation refers to two high profile cases which question the meaning of 'publisher' in UK law which is also compared to global law. In the context of social media, there are a number of parties which could be liable or defamatory comments. The Defamation Bill is discussed to help with an understanding of this particular topic.