Updated Discussion on Dynabook (markdown)

Discussion-on-Dynabook.md

@@ -116,7 +116,9 @@ So you mean that especially designed hardware and software must be created, afte
 
 In the second place we don't think we have the capacity to design hardware from scratch, we can only choose between the hardware options available. And as regards software, only the application layer is realistic.
 
-**---HF**: 
+**---HF**: As a teacher I can experience the reality of my classes, so my assertions on Dynabook prerequisites are more based on facts than intuitions, although there is some part of intuition on how you want the design realized in the Dynabook. But you are absolutely right that it is best to observe among different teacher practices. Hopefully, in a close future I will have opportunities to observe the reality of the classes with other teachers
+
+Designing the hardware from scratch is the most difficult indeed, but it is not because something is hard that it should not be attempted. Nevertheless, it may not be necessary at first to design hardware from scratch given the existing options of embedded hardware based on ARM and Risc V cpu.
 
 **---JR**: About the **reading** skill. Above you have written
 > Dynabook intends to replace all these paper materials, notebooks and textbooks