The latest Internet phenomenon is Twitter, a micro-blogging
platform that in just a few years has attracted millions of users.
With short messages (tweets), following and followers, Twitter is
reshaping ways of interacting online. Thus, its accessibility is very
important for social interaction as well as for work. In this paper
we discuss the accessibility of Twitter for blind users interacting
via screen reader and voice synthesizer. First, basic functions such
as registration, login, posting and reading tweets have been
analyzed highlighting accessibility issues, then a discussion is
based on the analyzed case study, offering suggestions for
designers.