Wikispaces now has a User creator so teachers can create student accounts in bulk themselves... without any need for students to have an email address. The folks at Wikispaces have been great about doing this for teachers, but it's even better to have a tool available now. :)
Open Source guru Steve Hargadon connects two very cool free (but not open source) services in this post. This trick also works in Google Maps. Cool.
I think this may have been working before the announcement, but you can now play embedded media directly on your wikispaces wiki, too.
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