I updated the first part in my contribution as well and gave the link for it there. I was trying to copy and paste all the new info I've put on the blog so far, but somehow I even lost what I had written here initially. Instead I put links for each (the initial idea, the making of the prototype, the feedback, and refinements after the feedback). Did you not see them? Is it ok if it is like this? Please let me know, thanks!