I know it's easy to drop your keys/water bottle/Blackberry/sweaty towels on the nearest piece of equipment, but what about those of us who actually want to use it, but don't want to violate the unspoken "don't touch my stuff' rule?
Dear Middle-Aged Guy in the White Snake T-Shirt:
Dude, I know it seemed like a genius idea to cut off the sleeves to give yourself more mobility. But what possessed you to cut out the sides as well? I could see way more of the reason you decided to start going to the gym than I really wanted to.
Dear Guy with the I-Pod Who Did One-Million Rapid Sit-Ups with Rabid Intensity:
Maybe you can't hear yourself over your music, but the rest of us can hear your loud pants and groans, as your breath gets faster and faster. It's like porno without the visuals. Just sayin'.