Visibility enables accelerated shift through multi modal design for behavioural engagement and multi-textural design for cognitive engagement. A well thought out concept Manaiakalani & Fisher Woolfe et al.
The Google Site for reading seems a great way to plan using the spreadsheet, using main text, challenging text and additional support using a multi modal approach.
https://sites.google.com/d/1z6jDcY6Es_7urKUumVDBtgF7ZWxwHfPP/p/1FpBVJ52GETWIl7M7S8aR_vsR8P9LO0RL/editThe implications for teaching and learning is the rewindable aspect where students can always have a place to source their learning. I liked looking at other multi-modal sites made available with their HTML code available as a place to start with.