I use org-mode almost every day, and I think it's great, but I also think it's fair to point out what I see as its biggest disadvantage. It changes. And by that I mean the developers don't care at all about breakage. This has caused countless problems for me over the years in two ways: i. You better be using exactly the same org-mode version on all of your computers, because there is no concept of backward compatibil…
I am using org-mode daily, mostly for work notes and logging working time - allows me to quickly generate time reports to the customers. However I didn't yet go into other functionality like presentations.