Your cell phone is a dirty, dirty thing
Dirtier than the bottom of your shoe. Dirtier than your toilet. This via Wired and according to a study commissioned by Dial-a-Phone:
Mobile phones, like many everyday objects such a telephones and computer keyboards, harbor bacteria. However, being 'mobile', they are stored in bags or pockets, are handled frequently, and held close to the face. In other words, they come into contact with more parts of our body and a wider range of bacteria than toilet seats!
"The phones contained more skin bacteria than the any other object; this could be due to the fact that this type of bacteria increases in high temperatures and our phones are perfect for breeding these germs as they're kept warm and cozy in our pockets, handbags and brief cases. These bacteria are toxic to humans, and can cause infections if they have the opportunity to enter the body."
The solution: Clean and disinfect the thing regularly with an antibacterial wipe!