The last time I presented The Modern Resume, I was a bit rushed, and I had the comment from someone afterwards that all the advice I had given could be used in a performance review. That's totally true, and I had a small bullet to that effect, but due to the time constraints, I didn't emphasize it.
If you can work for the same company for 20, 30, 40 years, good for you. Not everyone can, and perhaps not even the majority of people can. However even if you do, you will have reviews periodically where someone will look to rate your performance, perhaps help you decide where to grow your career within the company, and likely decide on how much of a raise you get.
Documenting the work you do, volunteering within the company, blogging about the things you've learned, noting your accomplishments that have benefited the company, will help you negotiate and debate the validity of a raise. It's always a debate, and the more evidence you can provide that justifies your increasing value, the more likely you can convince someone you deserve a raise. This applies as well to a promotion or a change of job, which may be something you want, even within the same company.
However as you blog, document, etc., you want to be sure that you are doing this in a way that shows your value to the company, or maybe the value you can bring by moving into a new position.