Grab a Free Issue of Popular Science (old issue) - All you have to do is fill out a 1 question survey.
"THANKS FOR THE TREMENDOUS FEEDBACK READERS. YOUR QUICK RESPONSE HAS NOW LEFT US WITH NO FURTHER COPIES TO SEND OUT. HOWEVER, THERE WILL BE MORE PROMOTIONS LIKE THIS IN THE FUTURE SO STAY TUNED. IF YOU GOT YOUR SURVEY IN BEFORE 9AM TODAY CHANCES ARE YOU'VE SCORED YOURSELF A FREE MAGAZINE. OVER 1,000 OF YOU WILL GET ONE." - Thanks Turd
I always ALWAYS seem to miss out on these, and it looks like I might actually get one for the first time ever!