Containers, the management and packaging technology for applications, are useful for many reasons: Packaging is simpler and self-contained Underlying operating system distribution becomes irrelevant Performance, therefore density, and therefore cost, is much better when working without a hypervisor layer To my mind, though, one of the most important elements in any technology is how it affects culture and incentives. For example, MVC development frameworks are helpful for many reasons, but the most important is that it encourages (and sometimes forces) a cleaner way of thinking about and building software.

Yesterday, I read an article which claimed that 30% of people have never backed up, while the overwhelming majority are way behind on backups. In the early 1990s, about a year into my very first job out of college at a large global financial, I ran the server backups. Yes, in retrospect, I wonder what they were thinking giving that level of responsibility to the inexperienced kid I was. Either way, it was a great learning experience.