Subtext is a free iPad app that allows classroom groups to exchange ideas in the pages of digital texts. You can also layer in enrichment materials, assignments and quizzes—opening up almost limitless opportunities to engage students and foster analysis and writing skills.
Via Nik Peachey
As we are developing our digital tools to support teachers in our 1:1 iPad Mini rollout this could be a great tool to support CCSS.
This development might serve a a simple model for more comprehensive evolving seven-dimensional knowledge artifacts.
Sounds like a great tool that also fosters discussion and interaction with others