Last week, I attended a meetup about design thinking in Blk71. It was interesting. We were instructed to come up with a wallet for ourselves. The first step was to brainstorm and draft a wallet for oneself on paper. I drew a credit card with a universal sim card chip on it. The card can be kept at the back of a phone. The rest payments will be handled in the phone apps. That was a pretty futuristic wallet. The next step was to get interviewed by a neighbour who just drew his/her ideal wallet. I was interviewed by a Korean manager from JFDI.asia. The neighbor was supposed to make the wallet for me. He first let me share my ideas and concerns. Then he asked me to take out my current wallet and categorize the necessary items. It turned out that there are quite a lot of necessary items in my wallet and they definitely cannot fit into one single card. Some items like coins and keys also need extra spaces to squeeze into a wallet. The next step was to interview the other nei...