Master in CS with 20+ years of professional experience chiming in here > because you need to "feel" what these systems are like I've done a lot of job hopping

Master in CS with 20+ years of professional experience chiming in here > because you need to "feel" what these systems are like I've done a lot of job hopping and seen a lot of technologies and companies. There is no way will you ever really experience even 10% of the information found on that page. In my opinion, it seems like a great resource, and bookmarked it to go through it when I have some time. Telling young devs to "gain experience" is pretty useless information. Learning theory is a large part of our job.