Here you can digest how to use Wikipedia in bite-sized morsels. The tips listed below were created for the Tip of the day project, or the Styletips project, but are listed here by title and organized by subject area for your convenience.
Bookmarklets are Javascript programs that are stored as bookmarks in your browser, and which run when you click on them as opposed to bringing you to a page like a normal bookmark. Here is one that conducts a search in Wikipedia on any text you happen to have highlighted in whichever window you are in (or if no text is highlighted, presents you with a popup search box): ~axel/bookmarklet.html. See also Bookmarklets.
It is possible to create links to every word in an article. But providing too many defeats their purpose by obscuring the most relevant links. Here's an example of overlinking:
The above passage hides the relevant link. Compare that with this:
Wikipedia's greatness stems from being able to link articles together easily, but don't overdo it. It can get really annoying and does not help the reader.
For a listing of current collaborations, tasks, and news, see the Community portal. For a listing of ongoing discussions and current requests, see the Dashboard.