The Electronic Frontier Foundation has published a very useful guide for bloggers clarifying what one can and what one can't legally publish. Issues covered include Intellectual Property, Defamation and Privacy.
Links
[1] https://www.pambazuka.org/author/contributor
[2] https://www.pambazuka.org/taxonomy/term/3305
[3] https://www.pambazuka.org/article-issue/226
[4] https://www.pambazuka.org/category/ict-media-security
[5] http://www.pambazuka.org/en/category.php/internet/29855