I use binder clips all the time. I also make sure I have them in all different sizes. I tend to get a kick figuring out different ways to utilize common office products and cubicle accessories. Well, a binder clip can have multiple uses.
You can use them to help you with cord management in your office or cubicle or you could even use them along with a panel wall wire hook to hang a poster or a calendar. How about using a simple binder clip to keep nylon blinds from rattling next to an open window. At my work, we use them for this purpose all of the time (maybe not in the winter :-)). I even came up with a really cool way of hanging a bunch of binder clips on my cubicle wall. All of these examples are shown in the photos below.