<Content=No Cache> is about the loss inscription. It talks about error messages. Its point of departure is a curious tag “content = no cache”. Placed in the html code it updates the contents of any on line page, erasing what was written before. It announces a new condition of writing. From now on it does not inscribe anymore. It just describes. Like Error Messages. <Content=No Cache>, deals with the letter’s new dimension and inquires about the paradoxes of online writing, through a collaborative of error messages submitted by its users.