What is Farsi Textism? What happens to language in online social networks? Is really virtual world harmful for Farsi language? Or on the other hand, is a good and useful platform for Farsi? In this book, the writer tries to investigate Farsi textism in online social networking sites such as Telegram and Instagram. First of all, it studies Farsi developments during history and in the presence of Communication media (from ancient scripts to internet). Then, it describes the characteristics of this new form of Farsi, and in the last step, it tries to describe the reasons of the users who invent this form of language. This book can be interesting for communication specialists, linguists and all the people who are interested in internet in general.