https://serprex.github.io https://etg.dek.im
first one is a really slick tooltip ui to make sure people read tooltips. hover over button, it slides out while revealing tooltip text in its place, move cursor to button again
if you want to make sure people read a lot of instructions you can chain this so that you need to hover over the button multiple times, revealing the instructions a bit at a time
This project is an enhanced reader for Ycombinator Hacker News: https://news.ycombinator.com/.
The interface also allow to comment, post and interact with the original HN platform. Credentials are stored locally and are never sent to any server, you can check the source code here: https://github.com/GabrielePicco/hacker-news-rich.
For suggestions and features requests you can write me here: gabrielepicco.github.io