Seriously, though, thank you Frito Lay for adding this advice to your sunflower seeds packaging:
>EATING INSTRUCTIONS: CRACK OPEN SHELLS, DISCARD SHELLS, ENJOY THE SEEDS!
Prior to reading that, I had been smashing shells left and right, piling them up into precariously balanced Tower of Pisa representations, and putting them in all manner of ears and other bodily orifices, with nary a seed in sight. It was getting to be very frustrating.