As a Moodle developer I'm always looking for new ways to help engage learners with Moodle. One way of doing this is to push content from a Moodle forum (news feed) to a Twitter account using RSS. We now have a few teachers who like this as most of their students are already on Twitter.
If you are interested in setting this up for your class, I've created a short course on how you can set this up so you can push content from Moodle forums to a twitter account.
It's a pretty basic course but a small amount of Twitter and RSS knowledge is required.
You can view the course here
a short URL to the course is here http://lota.co/moodletwitter