I find myself writing quite a lot of articles, user manual-like documents, as well as posting hundreds of questions on stackexchange sites.
Over time, I developed a certain style of writing, which uses bold letters to emphasize keywords, and key questions. I do so, because I found that users often fail to see the key points that I'm trying to make. I find myself figuring out, what is the main question that I want to ask, and mark it in bold. Does using bold font improve readability of text for first time reader?
When I write a document that is about 10 pages long (nicely formatted with section titles, table of contents and such), I still find myself wanting to bold the key points. I'm interested in learning if using bold fonts improve readability of documents that may be read more than once, such as user manuals.
Maybe there are some professional copywriter or technical writer blogs, etc, that deal with this style of writing? I don't want to overdo it.