Let's practice!
Look at the following PDF document of a learning material. (We've already taken one step for you out of necessity by putting it in PDF format.) Think in terms of this being an instructional material you might use in your classroom.
Sample Learning Material (PDF format)
Using some of the principles from the previous page, how could you improve it?
How could you put this same information into a digital format to improve it? Explain why it's an improvement over the paper version and how your design incorporates the four features of flexibility.