Problem: Cold weather necessitates winter gloves, which keep you from fawning your favorite touchscreen gadgets as you numbly stumble to and fro. Solution: Digits. A $14 set of four conductive pins that you can easily attach to any gloves' fingertips.
Human skin is apparently a very energy-efficient conduit for transmitting data. A recent experiment achieved a rate of 10Mbps, which may put my Internet connection to shame. The experiment used small, flexible electrodes and took place at Korea University.