Trisha's advice for aspiring speakers
Trisha Gee: Yes, but the thing that you learn when you're doing this job is that, actually, an hour is not that long in terms of the amount of time you have to present an idea or a set of ideas.
You don't have to have very deep knowledge to fill an hour with something interesting and useful. I don't mean that in a bad way, and I'm not trying to criticize or put down speakers. What I'm saying is that it's much easier for pretty much any developer to do this role than they realize, even if it's just a talk on their own experience of learning tech. I say this to beginners and people who want to get into speaking all the time.
Out of my initial blogs, the most successful was about getting aspect-oriented programming (AOP) caching working with Spring. It's a very specific piece of functionality, but there was no good documentation. I was writing the blog without very good knowledge of the Spring Framework...