While you have learned about the LaTeX fundamentals in this book, this chapter gave an overview about further reading online.
Now you know about:
Finding and downloading LaTeX software
Accessing the world wide LaTeX community knowledge
Getting the latest news from blogs
Asking questions online if you would encounter any problem that you cannot solve alone.
TeX friends will welcome you on any community website. As you have learned much in this book, you may soon become an experienced LaTeX user who supports LaTeX novices. At some time, you might be the advisor who answers questions on LaTeX web forums.