Understanding different Chinese writing styles Aside from the standard printing style of Chinese (what is referred to in this wikipedia article as regular script), what are the main styles that are in modern use?

When looking at different styles of handwriting it appears to someone like myself (without much writing experience) that there is a large range of styles, so how do people approach individual writing styles in China? Are they taught a few different styles and they take some on board or do they usually pick on main style and stick to it?
Short answer to question one:
While you can still see them there, all of them are in use now, in different situations.

Short answer to question two:
In school, teachers give the one that they like, based on local policy or their textbook. Usually, one style is enough. 楷書 or 行書, neither is easy to learn, so different people work it around in their own style, a bit mixed of several styles, or new styles. Simple is good, when people write characters.

I'll edit this post with more detail if you want.