Diigo V4: Collaborate~ Create a Group Knowledge Repository from diigobuzz on Vimeo.
How-to video: Creative use in the K-12 class with Diigo groups
Brief synopsis: Diigo is a powerful social bookmarking tool that allows teachers to share information with students, while empowering students to share with the teacher and each other.
Benefits: Diigo groups allow students to collaborate by sharing web sites, organizing them with tags and even discussing the information on Diigo.
Drawbacks: Some district servers may block Diigo, because it is a social media application.
Conclusion: The how-to video above demonstrates advanced ways to use Diigo groups in the K-12 classroom.
