Artur Malabarba has a great post on using Org-mode links to link to anything. It’s a hugely powerful facility that, as Malabarba says, is mostly unknown. Head over to Endless Parentheses for the details.
I wasn’t going to write about this because I didn’t have anything useful to add but decided to mention it in case any Irreal readers missed Malabarba’s post. As I’ve said before, if you aren’t reading Endless Parentheses already, you should start right now. Really.