Free Technology for Teachers: Easy Group Blogging With Posterous Spaces: "In Posterous Spaces you can allow people to make contributions to your blog by simply sending an email to "yourblog'sname" @ posterous.com. For example, if I created the blog "awesomeblog.posterous.com" I could allow others to contribute to the blog by simply sending an email to "email@example.com." You can choose to moderate or not moderate those contributions. From an administrative standpoint, using the email method of contributing to a group blog is much easier than having to enter permissions for each person you want contributing to your group blog."
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