NB: occasional self-promotion, particularly in context and with an appropriate resource is more than fine on HN. The fact that the course is free should count

NB: occasional self-promotion, particularly in context and with an appropriate resource is more than fine on HN. The fact that the course is free should count for something as well: It's ok to post your own stuff part of the time, but the primary use of the site should be for curiosity. <https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html>