How important is "relationship status" on Facebook?

[David]

Mark Zuckerberg says it's important because it's just a tool that a lot of people in general like to use. In some cases it's helpful because if you want to know who's going out with who, it's a bit awkward sometimes to directly ask them. That's the kind of information they gather from polls or surveys that they might have sent to users in the past.

What does it mean to you individually? That's more important to you. You certainly don't have to use it, and nobody should care about whether you use it or not. It's all a matter of personal preference.