Considering how many hours you put in at work, your desk essentially becomes a second home. And, perhaps, like in your house, this space can get a little disorganized very quickly. The easiest thing to do? Take a few minutes to ruthlessly throw out (or donate, or take home) everything that's getting in your way. You might find that you're more productive and a little bit happier without all that extra stuff.
Here's a handy list to start -- and if this motivates you to tackle your house, read our big list of 37 things in your home you can get rid of right now.