Social network sites with the increasing importance, take place in the centre of people’s life. By the way companies have taken place in social networks for the aim of both to maintain their presence in the virtual environment and also create customer loyalty, improve brand image and customer satisfaction. Recently, Tweeter, has been preferred both companies and customers to transmit the message fast and clearly. Accordingly, this study aims to examine the current state of Turkey GSM Operators’ Twitter usage, in the term of passing through 4.5G (IMT-Advanced) band speed. In addition to this, within the framework of this study focused on the Turkey GSM Operators usage of Twitter as a marketing tool and how do they use it and what do they tweet about in the term of passing through 4.5G band speed, the content analysis is used.