Using an iPhone in the cold presents a quandry. You don't want to freeze your fingers, but gloves make the touchscreen difficult to use. Unless you've got Dots Gloves.
In South Korea, CJ Corporation noticed a sharp increase in sales of their frozen sausages. Not because they're especially tasty, because cold commuters have discovered that they make an effective iPod stylus. It seems that they're electrostatically compatible with the iPod's touch screen, and nearly as effective as using a human finger.
Here's a Google-translated story on the phenomenon from a Korean newspaper (the translation into English is quite poor, but you'll get the idea).
I don't know about you, but i'll be buying a box of Jimmy Deans this weekend.
[Via Daring Fireball]