We have a link at the top of each page titled 'Unanswered'. Clicking it yields a list of questions and how many answers they have. Last time I clicked it, all questions listed had at least 2 answers.
So, it's behaving like "All questions without an accepted answer" - but there's an amount of discussion around the subjective nature of Programmers' questions meaning that the accepted answer isn't a useful concept - there are plenty of equally-valid answers to many of the questions here.
Even for Stack Overflow, isn't it just highlighting that the questioner hasn't accepted an answer yet, even though there's no (technical) forcing function to comply them to do so? On Programmers, this is largely irrelevant.
So.. what's the point of the 'Unanswered' link..? Is it still useful?