.
There are more than 50 of these now and I made a list to keep track of them all: https://github.com/billmei/every-proximity-chat-app
After doing more research into this question, I think the answer is yes, this is actually a very good idea, only it's much more convenient to use a rubber mask brace instead of tape. I summarize my findings as well as present DIY instructions on how to do this at home in a new post: https://www.lesswrong.com/posts/CrikcGiaWK9CSSzrJ/i-made-an-n95-level-mask-at-home-and-you-can-too
Yes, this is the idea! My example here is a highly oversimplified description of Rollout Algorithms, a property of Monte Carlo Tree Search, which you can read more about in Chapter 8.10 in the book.
What does "VOI" mean?