As a side-project, I started The Java Newsletter some time ago. The Java Newsletter is an email newsletter. Subscribers receive weekly tips on the Java programming language.
I read sometime ago that the world of blog-followers and RSS feed readers is somewhat a minority of Internet users. Most people - including developers - are best served via newsletters, directly in their email inbox. This got me thinking. Java is something I know well. There are millions of Java developers. I could write on enough Java topics to keep a weekly email list going for at least a year. It takes about an hour per week to create an article, test the code, proof-read it, and to send it. Why not give it a go?
I used Wufoo to create a simple sign-up form, for free.
I used MailChimp to manage the list of subscribers and to send the weekly email.
I bought the javanewsletter.com domain for about $10 from GoDaddy.
I'm using an existing under-utilised "slice" I have at SliceHost to host the single-page website.
Currently I have 56 subscribers. I hope to see this list grow to thousands of subscribers within a year or so. I'm pretty sure I can achieve this if I'm diligent, persistent, and patient. I'm also keenly reading various articles on how to best run an email newsletter.