Twitter has an asymmetrical structure; If the account is public, it is not necessary for a user to authorize us to read what they publish – as happens on Facebook – but they are not obliged to follow us either. Therefore, there is a very visible…
By then, mid-2006, much of the structure that we know of Twitter today was already outlined. It was an asymmetric network aimed at publishing messages publicly , although it had the option of closing their viewing only to those we…