If you're wondering what I mean by that, I'll be happy to explain. My profession is front-end web developer. Therefore, this website is professional on its technical level, but its content is about stuff I do, when I don't work.
You can read about why I chose those things to be financially non-profitable hobbies, in each section. In short: the proportion of fun, income and negatives is the best for me in IT.
That's it for the introduction and you can continue through the menu, if you wish.