Some Facebook tips from CNN guest columnists Andrea Bartz and Brenna Ehrlich, Ehrlich being editor at and Bartz editor at

Facebook gets a lot of attention for being, uh, your space -- a handful of entry fields in which to sum up your awesomeness, right down to the bewildering "Write something about yourself" box.

Researchers fixate on what your profile says about you, while increasingly complex pages, plug-ins and boxes (what are those all about, anyway?) make it clear that Facebook is all about you.

Still, at least one tab of your Facebook profile is largely left to others' devices: the wall.