To create something unique, consider the processes, techniques, and tools you use.
I push the limits of my printer to create a hand-bound, 236-page, 8.5″ × 7″ sketchbook on 105 gsm paper, complete with page numbers and a dot-grid pattern for sketching.
First thoughts regarding an web application that helps people customize and print out notebook filler paper at home.
Match user research activities to the temperament of your subjects, and be aware of how their temperament compares with your own.
Of all the thoughts on how to design interactions, here are the ones that have come up more persistently.